2
3
by Irgolic, Kurt, Peck, Larry.
Published 1984
Book
4
9
10
by Williamson, Kenneth L.
Published 1987
Book
13
Published 1949
Book
16
by Angerer, Ernst von, 1881-1951
Published 1962
Book
20
by Kotrbová, Libuše.
Published 1977
Thesis Manuscript