- Author: Smullyan Raymond M
- Language: English
- Year: 1987
- Author: Smullyan Raymond M
- Language: English
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- Author: Posamentier Alfred S
- Language: English
- Year: 2003
- Author: Lehning Hervé
- Language: French
- Year: 2013
- Author: Dugas Denis, Berloquin Pierre
- Language: French
- Year: 2008
- Author: Gastineau Alain
- Language: French
- Year: 2010
- Author: Andreescu Titu, Savchev Svetoslav
- Language: English
- Year: 2003