This study was jointly supported by the National Key Basic Research Development Program of China (Grant 2006CB701406), Program for New Century Excellent Talents University (Grant NCET-04-0727), and Research Found of State Key Laboratory of Geological Processes and Mineral Resources (Grant GPMR200651).
WU Huaichun, ZHANG Shihong, SUI Suwen, HUANG Qinghua.2007. Recognition of Milankovitch Cycles in the Natural Gamma—Ray Logging of Upper Cretaceous Terrestrial Strata in the Songliao Basin[J]. ACTA GEOLOGICA SINICA(English edition),81(6):996~1001
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