1
by Reyna
Published 2004
2
by Shanahan
Published 1999
3
Published 2002
4
by Ladimer
Published 1978
5
by Zimbalist
Published 1999
6
by Kraus
Published 1990
7
by Bennis
Published 1989
8
by Carey
Published 1989
9
10
by Kelly
Published 1996
11
by Arwan
Published 1978
12
by Covell
Published 2003
13
Published 1989
14
by Yiannakis
Published 2001
15
by Wallace
Published 1998