Portable Document Format: Διαφορά μεταξύ των αναθεωρήσεων
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Γραμμή 44:
== Εξωτερικοί σύνδεσμοι ==
* [http://www.pdfa.org PDF Association] -
* [http://partners.adobe.com/public/developer/tips/topic_tip31.html Adobe PDF 101:
* [http://www.adobe.com/print/features/psvspdf/main.html Adobe: PostScript vs. PDF] –
* [http://web.archive.org/web/20110424013530/http://www.aiim.org/Resources/Archive/Magazine/2007-Jul-Aug/33448 ''PDF Standards....transitioning the PDF specification from a de facto standard to a de jure standard''] –
* [http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=38920 ISO 19005-1:2005] the PDF/A-1 ISO standard published by the [[International Organization for Standardization]] (chargeable)
* [http://www.adobe.com/devnet/pdf/pdf_reference.html PDF Reference and Adobe Extensions to the PDF Specification]
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