Inheriting from a Common Abstract Ancestor in Timor.

James Leslie Keedy Gisela Menger Christian Heinlein Inheriting from a Common Abstract Ancestor in Timor. 81-106 2002 1 Journal of Object Technology 1 http://www.jot.fm/issues/issue_2002_05/article2 db/journals/jot/jot1.html#KeedyMH02