Transvirtual:
“Jabber: Instant Messaging at Its Best”, by Kevin Railsback, Linux Dev Zone:
http://linux.devx.com/articles/Railsback01/Railsback01-1.shtml
“XML Messaging with Jabber”, by Pierre Saint-Andre, O'ReillyNet:
http://www.oreillynet.com/pub/a/p2p/2000/10/06/jabber_xml.html
“Jabber Works, and Here's How”, by Derrick Story, O'ReillyNet:
http://www.oreillynet.com/pub/a/p2p/2000/10/06/jabber_works.html