[SSL-and-TLS] SSL and TLS: Designing and Building Secure Systems. Eric Rescorla. 0-201-62598-3. Addison-Wesley. March 2001.

[REC-XML-names] World Wide Web Consortium. Namespaces in XML. January 1999.

[RFC2616] Hypertext Transfer Protocol—HTTP/1.1. Roy Fielding, Jim Gettys, Jeff Mogul, Henrik Frystyk, Larry Masinter, Paul Leach, and Tim Berners-Lee. IETF. June 1999.

[RFC2518] HTTP Extensions for Distributed Authoring—WEBDAV. Yaron Goland, Jim Whitehead, Asad Faizi, Steve Carter, and Del Jensen. IETF. February 1999.

[RFC3280] Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile. Russel Housley, Warwick Ford, Tim Polk, and David Solo. IETF. April 2002.