# PDF Reference, second edition

> specification of the PDF version 1.3 document file format

**Wikidata**: [Q26214217](https://www.wikidata.org/wiki/Q26214217)  
**Source**: https://4ort.xyz/entity/pdf-reference-second-edition


## References

1. PDF Reference, second edition
2. [Adobe](http://www.adobe.com/devnet/pdf/pdf_reference_archive.html)