4
by Hynek, Alois, 1940-
Published 1971
Thesis Manuscript
5
by Hynek, Alois, 1940-
Published 1980
Thesis Manuscript
6
by Hynek, Alois, 1940-
Published 1983
Book
7
by Hynek, Alois, 1940-
Published 1970
Thesis Manuscript
8
by Hynek, Alois, 1940-
Published 1977
Thesis Manuscript