1
by Seeley
Published 1999
2
by Schuette
Published 1994
3
by Kirkham
Published 2007
4
by Ashworth
Published 2010
5
by JOHNSTON
Published 2001
6
by FERRY
Published 1999
7
by Geddes
Published 1996
8
9
by Peterson
Published 2015
10
by Lee
Published 2011
11
by POTTS
Published 1995
12
by Lee
Published 2005
13
by Willis
Published 1998
14
by LANGSTON
Published 2005
15
by Ashworth
Published 1994
16
17
18
19
by Smith, Jim
Published 2016
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20
by Peterson, Steven J.
Published 2019
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