6
8
by Engliš, Karel, 1880-1961
Published 1938
Book
10
by Robson, Peter, 1926-
Published 1984
Book
12
by Vyvozilová, Renata
Published 1985
Thesis Manuscript
13
15
by Heyne, Paul T., 1931-2000
Published 1991
Book
19
by Tomažič, Ivan, 1940-
Published 2003
Book
20
Book