1
2
3
Published: 2002
Book
4
5
6
7
8
9
10
by Lázár Tibor
Published: 1974
Dissertation
11
by Kercs László
Published: 1979
Dissertation
12
13
14
by Pető István
Published: 1987
Dissertation
15
16
17
18
by Sherf, Yehudit
Published: 2000
Dissertation
19
20