1
by Spencer, Donald D.
Published 1981
2
by Davis, William S.
Published 1981
3
by Mandell, Steven L.
Published 1989
4
by Bohl, Merilyn
Published 1984
5
by Walsh, Myles E
Published 1981
6
by Silverman, Gordon
Published 1988
7
by Sanders, Donald H
Published 1988
8
by Man, PC
Published 2005