1
Published 1993
Book
2
Published 1993
Book
3
by DuBoff, Leonard D.
Published 1993
Book
6
by Barendt, Eric
Published 1989
Book
7
Book
8
Book
10
by Baker, C. Edwin, 1947-
Published 2002
Book
11
by Dudziński, Grzegorz, 1966-
Published 1998
Book
13
by Thornton, Peter.
Published 1989
Book
14
Article
15