- CSB - MetaPress - Google - Bing - Yahoo
 | 1997 | |
|---|---|---|
| 1 |      | Victor Klee, T. Lewis, Balder Von Hohenbalken: Appollonius Revisited: Supporting Spheres for Sundered Systems. Discrete & Computational Geometry 18(4): 385-395 (1997) |
| 1 | Balder Von Hohenbalken | [1] |
| 2 | Victor Klee | [1] |