The following is a list of reference materials providing more information on the topics covered in this guide.
[XML] Extensible Markup Language (XML) 1.0 (Second Edition), http://www.w3.org/TR/REC-xml
[XMLSchema1] W3C Recommendation, XML Schema Part 1: Structures, http://www.w3.org/TR/2001/REC-xmlschema-1-20010502/
[XMLSchema2] W3C Recommendation, XML Schema Part 2: Datatypes,