天津市古潜山奥陶系岩溶裂隙发育规律研究
, 杨云霄, 邱京卫, 田信民, 贾志 Research on karst fissure development pattern of the Ordovician buried hills in Tianjin
JIN Baozhen, YANG Yunxiao, QIU Jingwei, TIAN Xinmin, JIA Zhi
, YANG Yunxiao, QIU Jingwei, TIAN Xinmin, JIA Zhi 