1
by Maddux, Robert B.
Published 1986
2
by Quirk, Michael,, 1953-
Published 1999
3
by Rees, Fran
Published 1997
4
by Maginn, Michael D.
Published 2004
5
by Kelly, P. Keith.
Published 1994
6
by Belbin, R. M.
Published 1993
7
8
Published 2005