lecturas que voy haciendo

http://www.slideshare.net/fungfung/refactoringch7-moving-feature-btw-objects
http://www.source-code.biz/snippets/java/3.htm, just use vector f.e.
http://www.ensta-paristech.fr/~diam/java/online/notes-java/data/expressions/22compareobjects.html
http://pivotallabs.com/users/alex/blog/articles/273-lovely-demeter-meter-maid, LOL , al final se calienta el tema
http://www.purpletech.com/blog/index.php?itemid=25
http://moffdub.wordpress.com/2008/09/27/domain-driven-method-naming-guidelines/#comment-236