1
2
by Rosen, Kenneth H.
Published 2003
3
by Blitzer, Robert
Published 2000
4
by Ross, Kenneth A.
Published 2003
5
by Gustafson, R. David
Published 2004
6
Published 2004
7
Published 2005
8
by Mann, Prem S.
Published 2005
9
Published 2005
10
11
by Gilbert, John
Published 2002
12
13
by Lau Too Kya
Published 1996
14
by Thomas, George B., Jr.
Published 2005
15
by Peterson, John C.
Published 2004
16
by Blitzer, Robert
Published 2007
17
by Johnsonbaugh, Richard
Published 2005
18
19
20