A Szaharán keresztül (Through the Sahara)
Sopron: Röttig-Romwalter, 1943. In original illustrated paper. 189 p. 44 illustration. The history of the 1936 French-Hungarian soil biological Sahara expedition. More
Sopron: Röttig-Romwalter, 1943. In original illustrated paper. 189 p. 44 illustration. The history of the 1936 French-Hungarian soil biological Sahara expedition. More