Arbitrary weight changes in dynamic trees Kurt Mehlhorn — 1981 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Complexity arguments in algebraic language theory Helmut Alt; Kurt Mehlhorn — 1979 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Congruence, Similarity, and Symmetries of Geometric Objects. Emo Welzl; H. Alt; Kurt Mehlhorn; Hubert Wagener — 1988 Discrete & computational geometry