Mössenböck, H.[in German]; Templ, J.; Griesemer, R. (June 1989). Object Oberon: An Object-Oriented Extension of Oberon: ETH TR 109 (Report). ETH Zurich.
Mössenböck, H.[in German]; Templ, J. (1989). "Object Oberon: A Modest Object-Oriented Language". Structured Programming. 10 (4). ETH Zurich.