chip tuning opel,astra 1,6 l 8v.pdf - PDFQueen - PDF Search engine. Free unlimited pdf search and download.

CITROEN SIEMENS SID 804 29F400BB R/W C2 1,4 8V HDI 70CV E4 Read in Boot Mode, ..... OPEL DELCO 3 IBRIDA R/W Astra G 1.4 16V Multec 3. Astra G 1.6 16V Multec 3 .... RENAULT SIRIUS 32 SIEMENS 29F200BB R/W Clio 1.4/1.6/2.0RS L 16v Siris 32 ...

http://arohandelsonderneming.nl/ARO Chiptuning.pdf

During the chip tuning operations, the original parameters stored into the eprom file .... Checksum E19 (BMW X 5 4.4L petrol engines with BOSCH ME7 ECUs) ..... OPEL. AGILA 1.3 16V CDTI (70 HP). DIESEL IAW MARELLI MULTIJET GM. ASTRA 1.7 8V DI (68 HP) ... 306 1.6 8V ME7.4. PETROL BOSCH ME7.4. 306 2.0 HDI (90 HP) ...

http://www.dimsport.com/pdf/doc/Doc_tuning_ing_06.pdf

VS30 / SINGLE OPEL ASTRA 1.3 UP TO 12,19mm 1.4,1.6 UP 11,80mm ...... OPEL 2.0L 8V. Opel 2.0L 16V. CHIP TUNING TOOLS - product trade price list 2005 . ...

http://www.dynotech.gr/v2/uploaded_files/dynotech_catalog.pdf

KWP2000 OBDII chip tuning. Using this interface you can change maps on 44 types of ECUs ..... Opel Astra F (4) 1.4 16V Delco. Opel Astra F (4) 1.6 16V Delco ...

http://www.eobd2.com/upload/info/2010011307917328.pdf

Our experience solely in the performance engine tuning industry helps confirm our position as the leading designer and ... We recommend the use of a performance exhaust, air filter and chip with ...... BEB09-8 Conrod Bolts for 1.3L/1.6L Rods 3/8 x 1.75ARP ...... ASTRA/CALIBRA/CORSA/NOVA1.3/1.4/1.6/1.8/2.0 8V FWD ...

http://www.kentcams.com/info/catalogue_lowRes.pdf

performance exhaust, air filter and chip with this range of cams. ..... Alfa AFJK303 and AFZL1 are as featured in the Alfa tuning book ...... VAUXHALL / OPEL 1.4 1.6 16V CORSA, TIGRA, ASTRA ...... VAUXHALL 1.4 1.6L 16V. FBV826/6. 35. 45. VAUXHALL 2.0L 8V 12 POINT FOR STD AND RACE FLY WHEEL. FBV985/6 ...

http://www.kentcams.com/Downloads/Files/KentCamsBrochure07.pdf

17 Chiptuning für Opel Diesel Fahrzeuge. Fahrzeug. Motorleistung. PS/kW. Leistungssteigerung in ... Opel Astra. 1,7 DTI 16 V. 2,0 DI 16V. 2,0 DTI 16 V ..... 28 UNIVERSAL TURBOKIT VAG 1.3 l / (1,3l G40)/ 1,4 / 1,6l 8V MOTOREN UND ...

http://www.wow-tuning.de/downloads/chiptuning.pdf

boost, this cam has revolutionised the tuning world. ULTIMATE ROAD ...... CAM KITS VAUXHALL / OPEL ASTRA / NOVA 1.2 / 1.3 / 1.4 / 1.6 GTE INCLUDE: ... VAUXHALL OPEL / ASTRA / CAVALIER / CALIBRA / VECTRA 1.6i / 1.8i / 2.0i 8v J SERIES ..... Ideal for use with pulley/chip kit. Timing Belt. Spray Bar. Ball Studs ...

http://www.pipercams.co.uk/NewPiperWeb/redesign/2008_cam_folder/CAM CATALOGUE 2008.pdf

Capable of producing over 220bhp in a 2 litre. .... running 14lbs+ boost, this cam has revolutionised the tuning world. ...... KBP16270S - Peugeot 205 Gti cam/chip kit Ł467.00 ...... CAMSHAFTS Vauxhall / Opel Astra / Cavalier / Calibra / Vectra 1.6i ..... CAM KITS Volkswagen Golf Gti 1800 8v Hydraulic include: ...

http://www.ptr2000.hu/old/termekek/piper_cams/piper_cams_catalogue.pdf

Now a legendary profile in the k series tuning world ...... CAM KITS VAUXHALL / OPEL ASTRA / NOVA 1.2 / 1.3 / 1.4 / 1.6 GTE INCLUDE: Part No. ... CAMSHAFTS VAUXHALL OPEL / ASTRA / CAVALIER / CALIBRA / VECTRA 1.6i / 1.8i / 2.0i 8v J SERIES ..... KBV16V270S - Vauxhall 2.0 16v cam/chip kit Ł568. C20XE - 2.0ltr 16v ...

http://www.ictuning.pl/download/Z2Z4L2pjYXV0b3R1bm5pbmcvcGwvZGVmYXVsdF9tdWx0aWxpc3RhX3BsaWtvdy52MC80MQ/pipercams_katalog.pdf

Terminal L = Ignition for waking up car computing system (ECU: Engine Control Unit) ... Name: OBD2 Flash Chiptuning Interface EOBD2 - GALLETTO .... 206 1.4 HDI 8v EDC16C3 (W) OK! GOLF V 1.9 TDI 77Kw (R/W) OK! 206 1.6 HDI 16v EDC16C3 ...... Opel Astra build after 1998, Zafira build after 1998, Corsa build after 2000 ...

http://ucables.com/ucables-car-products.pdf

Can be used for more many things such as calibrating, tuning, testing, ..... UEM chip. This chips characteristic is that it is only one time ...... Name: Interface Opel TECH1 for Opel cars with old style OBD1 connector (ALDL system) ...... 206 1.4 HDI 8v EDC16C3 (W) OK! GOLF V 1.9 TDI 77Kw (R/W) OK! 206 1.6 HDI 16v ...

http://ucables.com/ucables-catalog-products.pdf

has the technique of tuning a front-wheel- drive chassis down to a tee. ..... tyre tread depth from its current 1.6mm to 2.0mm. The AA ..... Multijet. 8v combined fuel consumption. (l/100km):6.1 ... Well, Opel has just proved that it is none of these things. Since the ... almond-shaped, Astra-esque lights. The ...

http://www.aaireland.ie/download/magazine/Winter2005.pdf

1.6 8V. Siemens Simos2. Audi. A3. 1.6 8V. Siemens Simos2 ...... Astra H. 1.2 i. Bosch ME7.6.2_can. Opel. Astra H. 1.3 JTD MJ. Marelli MM6JF. Opel. Astra H ...

http://www.upsolute.ch/DataSheets/UPsolute.ch_Fahrzeugliste_Juni2008.pdf

ChipTuning zum Einheitspreis - ALLE Autos GLEICHER Preis ! ChipTuning vom PROFI . ...... Opel Astra II 1.6 16V 100. 100 PS 110 PS 148 NM 160 NM ...

http://www.upsolute.ch/DataSheets/UPsolute.ch TuningListe Okt2009.pdf

ALFA ROMEO 159 1.9L JTDM 8V. 88kw 119PS 280Nm. 26kw / 35PS 340 Nm ..... CHIPTUNING. CHIPTUNING. Seite 1 | REICHERT CHIPTUNING | GESAMTKATALOG 2009 | CHIPTUNING ...... OPEL Astra. 1.6L Twinport. 77kw 104PS 150Nm. 9kw / 13PS 165 Nm ...

http://www.chiptuning.tv/uploads/media/Reichert_Katalog_2009.pdf

OPEL ASTRA 1.6i 16V CLUB 5 Drs. 5 bak, Stuurbekr., Airbag's, ...... met een cilinderinhoud van zes liter geeft de Audi Q7, de pres- .... NAVIGATIESYSTEMEN • AUDIO-CAR SYSTEMEN • CHIP TUNING ..... Ford Fiësta 1.3 8V 3DR, grijs metallic. ...

http://www.papermaker.nl/images/folders/1101.pdf

Mazda 626 SDN 2.0 DitD Excl., l.blauwmet., A/C, ABS, el. rmn., 120 dkm ...... NAVIGATIESYSTEMEN • AUDIO-CAR SYSTEMEN • CHIP TUNING ..... Ford Fiesta 1.3i-8v rood . ..... Opel Astra Station 1.6i benzine, grijs metallic, 150.000km's, ...

http://www.papermaker.nl/images/folders/103.pdf

17. Febr. 2008 ... bei Benzinern bis zu 0,5 Liter. • bei Diesel bis zu 1,5 Liter/100 km. • TÜV + Garantie optional. • Chiptuning – das begeistert! • Reifen-/Felgen-/Einlagerungs-Service ... Grande Punto 1.4 8V. 2km, Tageszul., Garant., EZ07/07, .... 4 Alufelgen 6 Jx14-H2. 4 Loch, 5 Speichen f. Opel Astra ab Bj. ...

http://www.staz-online.de/mediafactory/Archiv/Staz/2008_Staz_07/ST_0708_O36.pdf

AET Chiptuning. ARVAL. Well-to-Wheels energy use .... Seat Cordoba 1.4 Stella, Volkswagen Golf 1.6 Trendline, Toyota Yaris 1.0, Daewoo Matiz SE, Fiat Punto 1.2 8V, ... Focus 1.6 Comfort, Volkswagen Polo 1.4 16V, Opel Astra G 1.4, és Renault Clio 1.4 ... Azonban pár népszerű 2 liter lökettérfogat alatti dízelt - VW ...

http://autotechnika.hu/archiv/D08-02.pdf

Opel Kadett E GSI 8V. Dazu habe ich ein Teilegut- .... wird – beispielsweise durch chip-Tuning – sollte ..... So ist es möglich, die Leistung der 1,6-Liter Turbo Motoren von Opel bis auf 280 PS ... dynamic auch für den Astra h Z16LET, ...

http://www.tune-it-safe.de/downloads/magazin/tuneitsafe2009.1.pdf

21 nov 2007 ... bouwjaar: 2003-6. Opel Astra Z1.6SE 8V. 3-DRS NJOY euro: 9750 ... op de eerste plaats, een verantwoorde tuning door DTE- ... van chip modules voor auto. • 1 Jaar gratis garantie overnamen door DTE-systems Duitsland ...

http://www.deweekkrant.nl/files/pdfarchief/DWK/20071121/DWK_DWK-1-51_071121_1.pdf

1,9 L 8V Diesel Multijet 131 ...... Prijzen chiptuning Opel. Agila. 1,3 L CDTi ... 1,6 L 16V. 105. 150. 121. 165. 16. 15. Nee. € 360,00. Astra. 1,6 L Ecotec ...

http://www.supro.nl/images/supro-catalogus/Catalogus_DEF-website.pdf

Opel Astra. 5. 2004. 34-39. Autotest. Opel Astra 1.6 Twinport Enjoy ... Opel Combo Maxx 1.6 8V. 14/15. 2004. 36-45. Autotest/minitest. Opel Corsa 1.4 Twinport .... Volvo YCC. 6. 2004. 26-30. Techniek. Wordt chiptuning goedkoper? ...

http://www.anwb.nl/binaries/pdf/auto/nieuws-en-tips/autokampioen/index2004.pdf

Opel Astra TwinTop Cosmo 1.6, 105 PS,. BJ 08/2006, 23.000 km, Alu, schwar- ... Vakuumfass 2600 l, Preis nach VB. Tel. 07588-20012. Alte Traktoren ... Golf Gti Motor 1800er 8V mit 141Ps ge- messen mit Serienauspuff.(also mit ... Chiptuning - mehr Leistung, weni- ger Verbrauch! RD-CarTech.at, 0664-. 1544820 ...

http://archiv.print-gruppe.com/data/327/2009/31/tmp/30_327_2009_31.pdf

Pleuelschrauben, ARP Opel C20LET,Y20LET,C20XE, Z20LET .... Schmiedekolben Wössner Golf 1 GTi 1,6 Ltr.8V EG Motor. 720.54 € ... Schmiedekolben & Stahlpleuel VW / AUDI 1.8L.20VT TURBO. 1050.00 € .... Tuning/Turbo Kits0Turbokits / 1,8 16V. Page 7/13 .... Fächerkrümmer Astra F 1,8 - 2,0 16V Ecotec incl Caravan MIT TÜV ...

http://shop.md-rennsporttechnik.de/pricelist/pricelist_2.pdf

VW / Audi-Querstromkopf 1.6 / 1.8 / 2.0 Liter (Länge ca. 115 mm). 2 x 45 DHLA / DCOE. VAG 0016 ...... und Chip-Tuning (bei Einspritz-Motoren). ..... Opel Astra, Ascona 1.6 (bis 89) und 1.8 8V. [Sports INJ] ...

http://www.timms-autoteile.de/cat/timms-red.pdf

Chip Foose! Rule 6: Be prepared for mechanical failure, but take it in stride. ...... in the crowd between the cheaper 8v 944s and the 951 Turbo. With just over 200hp, the ...... Vauxhall Astra Mk1, the Alfasud, and the new Ford XR3. But each time ... with Audi, the ultra-modern 1.6-litre fuel-inject- ...

http://www.enthusiastmag.com/print/PDFs/all.pdf

motorizări de 1.2 8V (72CP) şi. 1.4 16V (94 CP). Aveo este mai lungă, mai lată, dar şi mai înaltă ... variază între 6,4 şi 6.7 l/100 km în funcţie de motorizare. ..... ecuaţie „admisie aer + chip tuning + evacuare finală“ până ..... OPEL ASTRA COUPE. 1,7 TDI 65CP ALB geamuri electrice; servo- ...

http://www.autospot.ro/pdf/autospot_nr2_web.pdf

490 l, modelul sedan cu patru uşi, cu o lăţime de 1753 mm ... 16v (150 CP) şi 1.9 TTiD 8v. (120 CP). Această impresion- .... modelelor Opel Astra Classic şi Skoda Octavia Tour. ... 16V 63 kW, 1.6 16V 77 kW) şi tot atâtea diesel (1.4 TDI PD ...... Chiptuning. FULLLEATHER. Str. Sergent Moise. Constantin nr. 18 ...

http://www.autospot.ro/pdf/autospot_nr20_web.pdf

technisch interessierten Opel-Fahrer durch unsere Produkte zugänglich machen. ...... Eprom (Chip-Tuning) Corsa GSI ohne Kat für Zündanlage; .... Vectra A 8V (alle Typen von 1.6-2.0); Ø 63.5 mm Edelstahl; Endrohr 80 mm rund ...... Astra F 1.6 bis 2.0 16V alle; Ø 63.5 mm ab Kat; Endrohr 2x 70/90 oval ...

http://www.produkte24.com/images/catalogs/3463/pdf_17216.pdf

Opel. Agila. 1.0l 12V (X10XE). Bosch ME 1.5.5. OBD II;K-Line ... Astra G. 1.6l 16V (Z16SE). Delphi HSFI 2.1. OBD II;K-Line. Astra G. 1.6l 16V (Z16XE). Delphi HSFI 2.1 ...... 2.0l 8V. Bosch ME 7.1.1. OBD II;K-Line. Golf IV. 2.0l 8V ...

http://www.sw-chiptuning.de/fileadmin/upload/downloads/flashliste.pdf

mechanische Nockenwellenstößel, wie original Opel (kein minderwertiger Nachbau!) ...... Eprom (Chip-Tuning) Corsa GSI ohne Kat für Zündanlage; geändertes Kennfeld mit ..... Vectra A 8V (alle Typen von 1.6-2.0); Ø 63.5 mm Edelstahl ...... Astra F 1.6 bis 2.0 16V alle; Ø 63.5 mm ab Kat; Endrohr 2x 70/90 oval ...

http://www.risse-motorsport.de/katalog/Katalog.pdf

für den Panda Active 1.1 8V: 35 Raten à 49,90 €, Schlussrate 4.033 € für den Fiat Grande Punto ...... •Escort Cabrio, Bj.91, 1.6 l, 77 KW, weinrot, .... •Opel Astra 1.7 CDTI Cosmo 74 kW, EZ. 9/04, 55 tkm, grau met., CD-Wechsl., BC, ..... Zubehör, Tuning, Sonstiges. •Navi von Navmann, mit allem Zbh., NP ...

http://www.das-inserat.de/Belegexemplare/Lokal_Seligenstadt_2009-07.pdf

147 1.9 JTD 100 PS 8V. 74 (100). 90 (122) ...... BMW 540i 4.0l E34. 210 (286). 224 (305). 400. 440. 250. 270. Chiptuning. --. 0320001. 499,-. BMW 540i 4.4l E39 ...... CRD-System. DN2. 20CRD07-70. 599,-. Opel Astra. Astra 1.7 DI 16V ...... Chiptuning. --. 20002. 499,-. Volvo V40 S40. V40/S40 1.6 D 110 PS. 81 (110) ...

http://kundeweb.aggressive.no/users/dieselchip.no/DTE katalog 2006.pdf

24. nov 2008 ... Transformer 14,8V 700ma. 278. N10302. Hand controller 70ohm x. 210. N10303. Extention wire for controller 3m ... 6. N30104. Sticker Ninco L. 7. N30105. Sticker Ninco XL ... Decoder Chip for Cars ... Bmw M3 GTR Tuning. 570. N50462. Protruck Baldwin ..... CHASSIS OPEL ASTRA. 70. N80830. CHASSIS BMW M3 ...

http://www.hobbyshop.no/NINCO Prisliste 2008.pdf

IC Journal l čtvrtletník l číslo 1 / ročník 2009 * e. č. ..... tuning, dílenské vybavení včetně diagnos- ..... a 9jamkové hřiště s délkou až 6010 m, chip- ping green a cvičné bunkry. ...... Opel Astra II 1.4 16V, 1.6, 1.6 16V, 1.7TD, 1.8 16V, 2.0D 16V, 2.0 16V ... Opel Vectra 1.6i 8V, 1.6i 16V, 1.8i 16V ...

http://www.intercars.sk/pliki/File/Slovakia/Journal/JOURNAL_SK_WEB.pdf

chip 147 kW, r. v. 99, tuning, stříbrná metalíza, 4x airbag, servo, centrál na DO, .... Typ motoru: čtyřdobý dvouválec 8v. Maximální výkon: 98,5 kW (134 koní) při 10.000 ot./min .... Spotřeba (město/mimo město/kombinace): 8,3/5,2/6,3 l na 100 km ..... Opel Astra 1.4i, 1.6i, 1.7 D,. 1.7 TD, 1994−98, sedan, 3dv., ...

http://www.inzertexpres.cz/upload/archiv/2009/4489.pdf

Opel Astra 1,8i combi 1993, stk do 3/10, červená barva, hagusy, závšs, rádio, centrál. ... super motor, vhodná na tuning, prodej z důvodu koupě nového ..... 10,6/5,7/7,2 l na 100 km. Cena: 959 900 Kč. Peugeot Bipper 1.4i ... Typ motoru: zážehový čtyřválec 8v. Maximální výkon: 54 kW (73 koní) při 5200 ot./min ...

http://www.inzertexpres.cz/upload/archiv/2009/4424.pdf

ropeo e micro-chip, sanissima e con certificato vaccinazioni, vendo a E.300,00. cell. 3475585208 ...... montato, ottimo per tuning di auto di muso corto, due volumi, ... PER CITROEN XSARA 1.6 8v vendesi testata causa montag- ...... OPEL ASTRA1.6 CDX 16v benzina, 07/98 4 airbag, condizionatore, ...

http://www.piazzaffariweb.com/public/numeri/piazza/pdf/47.pdf

VENDO 78 NUMERI de “L´Italia settimanale” a E.30,00 e 68 numeri di “Millelibri” a E.40,00. cell ...... FIAT PUNTO 1.2 8v ELX, anno 01, grigia, 3 porte, city, xeno, cerchi e gomme nuove, ..... OPEL ASTRA 1.6, imp. gas, anno 94, bianco, motore nuovo, ...... alcuni pezzi tuning messi nuovi, consuma poco e diverte alla ...

http://www.piazzaffariweb.com/public/numeri/piazza/pdf/83.pdf

chiptuning). Najgorzej oceniono praktyczność ... opinie zbiera podstawowy silnik 1.2 8V i no- ... 6. 37. 34. 24. 36. 33. 26. 36. 29. Średnia ocena 78,19%. 32 Opel Astra I ...... downi (540/1880 l) może przewieźć ponad pół tony obciążenia. ..... napędza ją benzynowy silnik 1.6, a na liczniku jest ...

http://www.auto-swiat.pl/pdf/NAT2005.pdf

Nach Opel Astra, VW Golf, Mercedes-Benz A-Klasse und BMW 1er zieht Ford mit dem Focus in der Kompaktklasse nach ... kW starker 1,6-Liter-Benziner und ein Diesel mit Common-Rail- ... 1,3 l Duratec 8V. 44 kW (60 PS). • Audiosystem 2500 ...... 05 31/86 03 99. Chiptuning bis 50 PS Mehrleistung durch Chip-Tu- ...

http://www.neue-braunschweiger.de/images/ausgabenarchiv/2004/nB20040926.pdf

Opel Corsa 1.7 DTi. 55 kW, ab 25tkm, elektr. Fensterheber, Klima- .... Fiat Punto 1.2 8V. 44 kW, 0 km, Klima, RC,. eFH, ZV, met. ab 8.680,-. US-IMPORTE ...... Astra 1.6 l, Bj. 92, Servo, 122 Tkm, silber- grau-met., 1.450,-. 05 31/4 73 92 91 ...... 0 53 53/9 60 60. Chiptuning bis 50 PS Mehrleistung durch Chip-Tu- ...

http://www.neue-braunschweiger.de/images/ausgabenarchiv/2004/nB20040620.pdf

Alfra Romeo 147 1.9 JTD 8V 100 ...... BMW 7er E38 740i (4.0l) 286 ...... Opel Astra II 2.0 16 V T 192 ... Opel Corsa 1.6 Ecotec 192 ...

http://amoc-hr.com/materijali/upsolute-chiptuning.pdf

1026 DEL 13 AL 19 DE MARÇ DE 2009 EL GRATUÏT AL SERVEI DE L'ANOIA. ANY XXV. 93 804 43 39 ...... SE VENDE COCHE TUNING. “DAEWO LEANZA” 2.0, 184CV. POR ...... VENC OPEL ASTRA 1.6. 8V. B-WG. 5 PORTES. 58.000 KM. 4.000 EUROS. TEL. 669 202 994 ...... 650 434 997 (REF.31). REGALO PERRA DE 6 MESES. CON CHIP. PASAPORTE. ...

http://www.elsafareig.com/Control/RevistesPDF/Anoia/1026.pdf

wymi 1,6 l/110 KM i 2,0 l/138 KM. W ramach promocji związanej z wprowadzeniem auta na rynek, ...... OPEL astra II combi 1.6 8V (1998) 4 air bag , wspomaganie, ABS, ...... PROFESJONALNY chiptuning. Wieluń www.alltuning.pl, 0-609-538-171. ...

http://egazeta.dziennik.lodz.pl/Y3331_2006/11/02/2006-11-02_Motogratka.pdf

OPEL astra II, 1.6, 1999, 15,5 tys. zł, czarny metalik, zarejestrowany, alu- felgi, 3 drzwi, 0603–111–922 ...... RENAULT Laguna, 2.0i, 8V, 1998, wyposażenie, 0663–567–550 ..... 3,7 tys. zł, tuning całość, części do poprawek, 0605–532–208 ...... Litwie alfa romeo 1,6 l/120 KM kosztuje netto 15.684 euro (ok. ...

http://egazeta.dziennik.lodz.pl/N5103_2007/08/02/2007-08-02_Motogratka.pdf

Chiptuning für Audi A6 2.5 TDI mit 150PS, Mehrleistung 40PS, NP ..... Opel Astra 1.6 Comfort, EZ 2/99,. 190Tkm, s. gt. erh., TÜV 07/11,. 2.500€ VHB. T.0173-3213425 ... Grande Punto 1,4 8V Active, EZ. 7/09, 5-trg., Klima, 2. J. Neuwag.- ..... Golf, 51 kW, 1,6 l, EZ 7/91, gt. Zust., TÜV neu, 5 Gang, SD, elFH, ...

http://zypresse.com/media/downloads/2009/29351F.pdf

Opel Astra DTM Team Holzer 1:24 Tamiya ..... Ascari KZ-1 PS. Ninco. 38.51 €. 5250273. BMW M3 Tuning weiß NC-6 ..... CARRERA GO Mario Kart Bahn L 200 x B 112 cm, 6,2 m Streckenläng Carrera ..... Ninco Motor NC-8 Thruster 14,8V 100mA 16.000 rpm, 87gxcm ... Ninco N&#39Digital Decoder Chip in Plastikbox, 1:32 ...

http://www.slotshop-hagen.de/pricelist/pricelist_2.pdf