Geology and mineral resources of Vietnam. Volume 1 ...
Le Thac Xinh. and Vietnam. General Department of Mines and Geology. Geology and mineral resources of Vietnam. Volume 1 / [edited by Le Thac Xinh ... [et al.]] General Dept. of Mines and Geology, Socialist Republic of Vietnam Hanoi 1990. Australian/Harvard Citation. Le Thac Xinh. Vietnam. General Department of Mines and Geology.