- Author: J. Clark Archer, Fiona M. Davidson, Erin H. Fouberg, Kenneth C. Martis, Richard L. Morrill, Fred M. Shelley, Robert H. Watrel, Gerald R. Webster
- Language: English
- Year: 2014
- Author: Stanley D. Brunn Gerald R. Webster Richard L. Morrill Stephen J. Lavin Fred M. Shelley J. Clark Archer
- Language: English
- Year: 2011
- Author: Richard L. Morrill
- Language: English
- Year: 2010