Implicitly Representing Arrangements of Lines or Segments. H. Edelsbrunner; Raimund Seidel; Micha Sharir; Leonidas Guibas; John Hershberger; Jack, Welzl, Emo Snoeyink — 1989 Discrete & computational geometry
Quasi-Optimal Range Searching in Spaces of Finite VC-Dimension. B. Chazelle; Emo Welzl — 1989 Discrete & computational geometry
Trace languages defined by regular string languages Ijsbrand Jan Aalbersberg; Emo Welzl — 1986 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