23
24
Published 2012
Book
27
Published 2005
Table of contents
Book
29
32
by Spencer, Roy W.
Published 2010
Book
33
by Victor, David G.
Published 2004
Full text available as PDF
Book
34
Published 1993
Book
36
by Porter, Henry F.
Published 1999
Publisher description
Book
38
Published 1989
Book
40