These web pages are somewhat useful:

http://www.sql-server-performance.com/deadlocks.asp
http://www.informit.com/articles/article.asp?p=351608&seqNum=1
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/optimsql/odp_tun_1a_4uav.asp
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/acdata/ac_8_con_7a_8i93.asp