For more information about StAX, see:
W3C Recommendation Extensible Markup Language (XML) 1.0
JAXB specification on jcp.org: JSR-222 Java Architecture for XML Binding (JAXB)
W3C Recommendation Document Object Model
W3C Recommendation Namespaces in XML
For some useful articles about working with StAX, see:
Jeff Ryan, Does StAX Belong in Your XML Toolbox?
Elliott Rusty Harold, An Introduction to StAX