- Author: Branko Lazić (Branko Lazitch), Milorad M. Drachkovitch
- Language: English
- Year: 1973
- Author: Milorad M. Drachkovitch, Branko Lazitch
- Language: English
- Year: 1966
- Author: Berkowitz Peter
- Language: English
- Year: 2012
- Author: John F. Devlin
- Language: English
- Year: 1976