Varentsov, M. - Grasselly, M. (szerk.): Manganese on the bottom of recent basins - Geology and geochemistry of manganese 3. (Budapest, 1980?)
Volume III. Manganese on the bottom of Recent basins
GEOLOGY AND GEOCHEMISTRY OF MANGANESE Volume III MANGANESE ON THE BOTTOM OF RECENT BASINS Edited by I. M. VARENTSOV and GY. GRASSELLY AKADÉMIAI KIADÓ, BUDAPEST 1980