MSDN Architecture Webcast: patterns & practices Live: Enterprise Library Overview (Level 200)
http://msevents.microsoft.com/CUI/WebCastEventDetails.aspx?EventID=1032269669&EventCategory=5&culture=en-US&CountryCode=US
Language: English-American
注册后，可以在线听该讲座。
Reference:
1. ronjacobs.com, http://www.ronjacobs.com/webcasts.htm