STARK, John T. Petrology of the volcanic rocks of Guam / by John T. Stark. -- Washington : United States Government Printing Office, 1963 - 32 p. -- (Geological Survey Professional Paper ; 403-C). Subjects--Topical Terms: Guam ( Islas Marianas)PetrologíaRocas Universal Decimal Class. No.: 552(967.2)