http://uk.wikipedia.org/wiki/Hibernate has a link supposingly pointing to Hibernate Core, but it leads to 344.html which isn't the thing
its here http://uk.wikipedia.org/wiki/Hibernate#.D0.9A.D0.BE.D0.BC.D0.BF.D0.BE.D0.BD.D0.B5.D0.BD.D1.82.D0.B8