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[文献書誌] Ishiwatari, R et al.: "organic molecular and carbon isotopic of the Japan Sea Over the past 30 Kyr"Paleoceanography. 14・2. 260-270 (1999)
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[文献書誌] Yamada, K. , Ishiwatari, R.: "Carbon isotopic compositions of long-chain n-alkanes in the Japan Sea sediments : inplications for paleoenvironmental changes over the past 86 kyr"Organic Geochemistry. 30. 367-377 (1999)
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[文献書誌] Arinobu, T. et al.: "Spike of pyrosynthetic polycyclic aromatic hydrocarbons associated with an abrupt decrease in dl3C of a terrestrial biomarker at the Cretaceous-Tertiary Boundary at Caracaca, Spain"Geology. 27・8. 1723-1726 (1999)