Home › Authors › Walter D. Neumann 👤 Walter D. Neumann 4 books Books by Walter D. Neumann Three-Dimensional Link Theory Three-Dimensional Link Theory and Invariants of Plane Curve Singularities. (AM-110), Volume 110 2016 Geometric group theory down under 1999 Topology '90 1992 Topology Symposium Siegen 1979 1980