INTERNATIONAL meeting on petroleum geology (1980: Peking, Ch
Petroleum geology in China: principles lectures presented to the United Nations - Oklahoma PennWell Books 1980 - v, 263 p.
878141634
Petroleum geology-China-Congresses
553.28 / INT
Petroleum geology in China: principles lectures presented to the United Nations - Oklahoma PennWell Books 1980 - v, 263 p.
878141634
Petroleum geology-China-Congresses
553.28 / INT