UPPER PERMIAN-LOWER TRIASSIC CONODONTS IN CHONGQING-BEIBEI AREA AND THEIR SIGNIFICANCE IN EXPLORING OIL AND GAS
Jiang Wu
西南石油大学学报(自然科学版) . 1982, (1): 12 -24 .  DOI: 10.3863/j.issn.1000-2634.1982.01.002