1
2
by Peterson, John C.
Published 2004
3
4
5
6
by Tan, S. T
Published 2005
7
8
by Gustafson, R. David
Published 2007
9
by Mann, Prem S.
Published 2007
10
11
12
13
14
by Truss, J.K.
Published 1991
15
16
by Rosen, Kenneth H.
Published 1995
17
by Wylie, C. Ray
Published 1995
18
by Fitzpatrick, J.B.
Published 1992
19
20
by Grove, Margaret
Published 1994