渝东南黔北地区下寒武统牛蹄塘组页岩裂缝有效性研究
曾维特，丁文龙，张金川
Research on the fracture effectiveness of the Lower Cambrian Niutitang shale in southeastern Chongqing and northern Guizhou area.
地学前缘 . 2016, (1): 96 -106 .  DOI: 10.13745/j.esf.2016.01.009