宁镇山脉地区奥陶系牙形石的初步研究及对比
安泰庠, 丁连生
PRELIMINARY STUDIES AND CORRELATIONS ON ORDOVICIAN CONODONTS FROM THE NINGZHEN MOUNTAINS, NANJING, CHINA
An Taixiang, Ding Liansheng
石油学报 . 1982, (4): 1 -12 .  DOI: 10.7623/syxb198204001