DISCOVERY OF AMERICA

被引：303

作者：

MARTIN, PS ^{[1
]}

机构：

[1] UNIV ARIZONA,TUCSON,AZ 85721

来源：

关键词：

D O I：

10.1126/science.179.4077.969

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];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

引用

页码：969 / 974

页数：6

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