EXTRATERRESTRIAL AMINO-ACIDS IN CRETACEOUS TERTIARY BOUNDARY SEDIMENTS AT STEVNS-KLINT, DENMARK

被引:112
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ZHAO, MX
BADA, JL
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D O I
10.1038/339463a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
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07 ; 0710 ; 09 ;
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页码:463 / 465
页数:3
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