1
by Thill
Published 1998
2
by Lougheed
Published 2003
3
by Thill, John V.
Published 2013
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4
by Bailey
Published 2008
5
by Lehman, Carol M.
Published 2015
6
by Varner
Published 2011
7
by Varner
Published 2008
8
by HOWARD-WILLIAMS
Published 1992
9
by SPRING-WALLACE
Published 1993
10
Published 1988
11
by THII
Published 1999
12
by Sweeney
Published 2003
13
by JAMES
Published 1995
14
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15
by Varner
Published 1995