- Author: Alan V. Oppenheim, Ronald W. Schafer
- Language: German
- Year: 1998
- Author: Alan V. Oppenheim, Ronald W. Schafer
- Language: English
- Year: 2010
- Author: Alan V. Oppenheim, Ronald W. Schafer
- Language: English
- Year: 2010
- Author: Alan V Oppenheim, Ronald W Schafer
- Language: English
- Year: 2014
- Author: Alan V. Oppenheim Ronald W. Schafer
- Language: English
- Year: 1975
- Author: Oppenheim Alan V, Schafer Ronald W
- Language: English
- Year: 2013
- Author: Alan V. Oppenheim, Ronald W. Schafer
- Language: Spanish
- Year: 2011
- Author: Buck John R., Oppenheim Alan V., Schafer Ronald W
- Language: English
- Year: 2010
- Author: Alan V. Oppenheim, Ronald W. Schafer
- Language: English
- Year: 2010
- Author: A. V. Oppenheim R. W. Schafer
- Language: Italian
- Year: 1985