3
4
Author: Dilong, Rudolf.
Record Source: Published Materials
Book
5
6
7
Record Source: Published Materials
Journal
8
9
Record Source: Published Materials
Book
10
Author: Zornan, John.
Record Source: Published Materials
Book
12
Author: Záň, Augustín J.
Published 1985
Record Source: Published Materials
Book
14
15
Book
16
Author: Kona, Viliam.
Published 1988
Record Source: Published Materials
Book
17
18
19
Record Source: Published Materials
Microfilm