- Author: Jacob J. Michael
- Language: English
- Year: 2002
- Author: David E. Lalond
- Language: English
- Year: 1994
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- Language: English
- Year: 1996
- Author: Robert Dueck
- Language: English
- Year: 2001
- Author: Donald C Rizzo
- Language: English
- Year: 2001
- Author: Donna J Phinney, Judy H Halstead
- Language: English
- Year: 2002
- Author: Terry R Des Jardins
- Language: English
- Year: 2002
- Author: Henry F. Naylor Naylor
- Language: English
- Year: 1995
- Author: David E. Lalond John A. Ross
- Language: English
- Year: 1994