Teaching object-oriented software architecture by example: the games factory. - Hermann Hüni; Igor Metz (OOPSLA Addendum, 1992)

Teaching OO Software Engineering by Example: The Games Factory. - Hermann Hüni; Igor Metz (Comput. Sci. Educ., 1993)

A Framework for Network Protocol Software. - Hermann Hüni; Ralph E. Johnson; Robert Engel (OOPSLA, 1995)