1
by Piaw
Published 2012
2
by Piaw
Published 2013
3
by Berry
Published 1993
4
by Girden
Published 1992
5
by Finkel
Published 1995
6
by Weisberg
Published 1992
7
by Sullivan
Published 1979
8
by Schroeder
Published 1986
9
by Brown
Published 1990
10
by Davis
Published 1985
11
by KIM
Published 1978
12
by Eliason
Published 1993
13
by Klecka
Published 1980
14
15
by Cromwell
Published 1994
16
by Mckewn
Published 1988
17
by Hildebrand
Published 1977
18
by Levine
Published 1977
19
by Langbein
Published 1978
20
by Markus
Published 1979