- Author: Edward C. Wallace Stephen F. West
- Language: English
- Year: 2015
- Author: M.Vygodsky
- Language: English
- Year: 1980
- Author: Felipe Cano (aut.), Francisco Ugarte (ed.)
- Language: Spanish
- Year: 2011
- Author: Dold A., Eckmann B., Abikoff W
- Language: English
- Year: 1980