http://www.ibm.com/developerworks/cn/opensource/os-cn-spring-jpa/index.html?ca=drs-
http://static.springsource.org/spring-data/data-jpa/docs/current/reference/html/
http://static.springsource.org/spring-data/data-jpa/docs/1.0.0.M2/reference/html/
zhang的笔记
http://sishuok.com/forum/blogPost/list/2625.html