2
by Prokop, Otto, 1921-2009
Published 1966
Book
7
by Sanke, Heinz
Published 1967
Book
8
by Sapožnikov, Jurij Sergejevič
Published 1970
Book
11
by Popielski, Bolesław
Published 1963
Book
12
Book
13
by Olbrycht, Jan Stanisław
Published 1957
Book
14
by Horký, Jan
Published 1997
Thesis Manuscript
16
Published 1971
Book
19
by Kokavec, Milan, 1927-2004
Published 1972
Book