http://www.cs.utexas.edu/users/schwartz/

http://www.agilemodeling.com/essays/amdd.htm
Agile Model-driven Development

http://whitepapers.zdnet.com/whitepaper.aspx?docid=326491
Demeter in the Database

http://www.ubookcase.com/book/Addison.Wesley/Aspect.Oriented.Software.Development/0321219767/main.html
Bob's book

Open source:
http://aq.gwu.edu/archive/table_summer04.htm