The Munich Project CIP, Volume II: The Program Transformation System CIP-S - Friedrich L. Bauer; Herbert Ehler; A. Horsch; Bernhard Möller; Helmuth Partsch; O. Paukner; Peter Pepper (Springer, 1987)

Development of Several Reachability Algorithms for Directed Graphs. - Rudolf Berghammer; Herbert Ehler; Hans Zierer 001 (WG, 1987)

Towards an algebraic specification of code generation. - Rudolf Berghammer; Herbert Ehler; Hans Zierer 001 (Sci. Comput. Program., 1988)

On the algebra of optimal algorithms for the computation of sets of bilinear forms. - Herbert Ehler (1989)

On the Refinement of Non-Deterministic Recursive Routines by Transformations. - Rudolf Berghammer; Herbert Ehler; Bernhard Möller (Programming Concepts and Methods, 1990)

On the Use of Elements of Functional Programming in Program Development by Transformations. - Rudolf Berghammer; Herbert Ehler (Methods of Programming, 1991)

Innovation durch Kooperation im Software-Engineering. - Manfred Broy; Herbert Ehler; Barbara Paech; Veronika Thurner (GI Jahrestagung, 1997)

Software Engineering: Schlüssel zu Prozeßbeherrschung und Informationsmanagement. - Manfred Broy; Herbert Ehler; Barbara Paech; Bernhard Rumpe; Veronika Thurner (TCW, 2000)