. . . "Geology of petroleum and coal deposits in the North China basin, eastern China : a synthesis of the literature clarifying the genesis and ocurrence of petroleum and coal depostis in the North China basin" . "Geology of petroleum and coal deposits in the North China basin, Eastern China" . . . . . . . . . . . . . . . "Geology of petroleum and coal deposits in the North China basin, eastern China" . . . . . . . . "Geologic map of the North China Basin, eastern China 1:2 500 000" . . "Geology of Petroleum and Coal Deposits in the North China Basin, Eastern China" . "Geology of the petroleum and coal deposits in the North China basin, eastern China"@en . . . "Geology of petroleum and coal deposits in the North China Basin, Eastern China : as synthesis of the literature clarifying the genesis and occurrence of petroleum and coal deposits in the North China basin" . . . . . "A synthesis of the literature clarifying the genesis and occurrence of petroleum and coal deposits in the North China basin." . . "Geology of petroleum and coal deposits in the North China basin, Eastern China : a synthesis of the literature clarifying the genesis and occurrence of petroleum and coal deposits in the North China basin" . . . . . "Geology China." . . . . "Petroleum Geology." . . "Petroleum Geology China." . . "Kohlengeologie." . . "Geology." . . "China." . . "Geological Survey (U.S.)" . . "Geological Survey (U.S.)," . "Coal Geology China." . . "Coal Geology." . . "China (Ost)" . . "Erdölgeologie." . .