2
by Valde-Nowak, Paweł
Published 1995
Book
10
by Jelínek, Jan, 1926-2004
Published 1964
Book
11
by Segerberg, Ann
Published 1999
Book
13
17
by Clark, Grahame, 1907-1995
Published 1973
Book
19
by Kănčev, Kančo Stojanov
Published 1983
Thesis Manuscript
20
by Velímský, Tomáš, 1946-
Published 1969
Thesis Manuscript