Tang Wensong, Zhong Xiaochun, Guo Chunjie, Yan Zhen, Ye Lianfang. ABNORMAL EVENT OF CARBON STABLE ISOTOPE AT THE BOUNDARY BETWEEN CRETACEOUS AND TERTIARY IN ALTAX SECTION IN XINJIANG AUTOAORMOUS REGION[J]. Editorial office of ACTA PETROLEI SINICA, 1992, 13(2): 209-214.