- Author: Peter C. Sijmons (auth.) C. Fenoll F. M. W. Grundler S. A. Ohl (eds.)
- Language: English
- Year: 1997
- Author: Dr. Ralf Petzold (auth.) H.-W. Dehne G. Adam M. Diekmann J. Frahm A. Mauler-Machnik P. van Halteren (eds.)
- Language: English
- Year: 1997
- Author: Alan C. Cassells (auth.) A. C. Cassells (eds.)
- Language: English
- Year: 1997