- Author: Michael H. Freedman, Frank Quinn
- Language: English
- Year: 2014
- Author: Michael H. Freedman and Feng Luo
- Language: English
- Year: 1990
- Author: Michael J. Freedman Kobbi Nissim Benny Pinkas (auth.) Christian Cachin Jan L. Camenisch (eds.)
- Language: English
- Year: 2004
- Author: Michael H. Freedman
- Language: English
- Year: 1989
- Author: Michael H. Freedman Frank Quinn
- Language: English
- Year: 1990
- Author: Michael J. Freedman Kobbi Nissim Benny Pinkas (auth.) Christian Cachin Jan L. Camenisch (eds.)
- Language: English
- Year: 2004
- Author: Michael H. Freedman Frank Quinn
- Language: English
- Year: 1990
- Author: Michael H. Freedman Frank Quinn
- Language: English
- Year: 1990