Editore: Economic Geology Research Unit, Johannesburg, S. A., 1983
Prima edizione
Metal comb binding. Condizione: Very Good-. First Edition. Unmarked, exept for previous owner's name on front cover. ; Book Description; Pages are clean and not marred by notes or folds. Covers are square with minor wear. Ships Safe and Fast. ; Information Circular 166; B&W Illustrations; 8vo 8" - 9" tall; 21 pages DP3.