The following documents are useful references for implementers and users of this Open Packaging specification, in addition to the normative references:

ISO/IEC Directives Part 2, Rules for the structure and drafting of International Standards, Fourth edition, 2001, ISBN 92-67-01070-0.

The Unicode Standard, Version 3.0, by the Unicode Consortium; Addison-Wesley Publishing Co, ISBN 0‑201-61633-5, February 2000. The latest version can be found at the Unicode Consortium's web site,, at this writing.

Dublin Core Element Set v1.1.

Dublin Core Terms Namespace.

Extensible Markup Language (XML) 1.0 (Third Edition), W3C Recommendation, 04 February 2004.

Namespaces in XML 1.1, W3C Recommendation, 4 February 2004.

RFC 2616 Hypertext Transfer Protocol—HTTP/1.1, The Internet Society, Berners-Lee, T., R. Fielding, H. Frystyk, J. Gettys, P. Leach, L. Masinter, and J. Mogul, 1999,

RFC 3986 Uniform Resource Identifier (URI): Generic Syntax, The Internet Society, Berners-Lee, T., R. Fielding, and L. Masinter, 2005,

RFC 3987 Internationalized Resource Identifiers (IRIs), The Internet Society, Duerst, M. and M. Suignard, 2005,

RFC 4234 Augmented BNF for Syntax Specifications: ABNF, The Internet Society, Crocker, D., (editor), 2005,

W3C NOTE 19980827, Date and Time Formats, Wicksteed, Charles, and Misha Wolf, 1997,

XML Base, W3C Recommendation, 27 June 2001.

XML Path Language (XPath), Version 1.0, W3C Recommendation, 16 November 1999.

XML Schema Part 1: Structures, W3C Recommendation, 28 October 2004.

XML Schema Part 2: Datatypes, W3C Recommendation, 28 October 2004.

XML-Signature Syntax and Processing, W3C Recommendation, 12 February 2002.

ZIP File Format Specification, Version 6.2.1, PKWARE Inc., 2005.