A global geochemical database for environmental and resource management
IGCP project 259
Micropalaeontology and hydrocarbon exploration in the middle east
Karst in China
Chung-kuo ti chih ko hseueh yen chiu yeuan. Shui wen ti chih kung cheng ti chih yen chiu so.
Porphyry molybdenum deposits in Colorado
/ Ralph Stegen... [others]
Jurassic geology of the world
Arkell, William Joscelyn, 1904-1958