A Karpat-Medence földrajza: Kocsis Karoly Tarsadalom es gazdasag napjainkban a Karpat-Medenceben c. tanulmanyaval = The geography of the Carpathian Basin

by: Bulla, Béla
Published: Budapest : Lucidus, 1999

Béla Bulla (1906-1962)

by: Pécsi, Marton
Published in: Przegla̜d geograficzny (1963)