- Author: Riley Stephen
- Language: English
- Year: 2018
- Author: Riley Stephen
- Language: English
- Year: 2018
- Author: Daniel Levine
- Language: English
- Year: 2000
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- Language: English
- Year: 2014
- Author: Germán José Bigart Campos
- Language: Spanish
- Year: 1989
- Author: Larry Ogalthorpe Gostin
- Language: English
- Year: 1990
- Author: Michel Levinet
- Language: French
- Year: 2010