1
2
by Katona Nóra
Published: 1987
Dissertation
3
by Takács Ildikó
Published: 1999
Dissertation
4
5
6
7
by Takács Ildikó
Published: 1999
Dissertation
8
9
by Székely Vince
Published: 2000
Dissertation
10
11
12
13
14
by Petik Krisztina, S.
Published: 1996
Dissertation