Advances in Earth Science >
2003 , Vol. 18 >Issue 5: 653 - 653
DOI: https://doi.org/10.11867/j.issn.1001-8166.2003.05.0653
Received date: 2003-06-23
Online published: 2003-10-01
Sun Shu . [J]. Advances in Earth Science, 2003 , 18(5) : 653 -653 . DOI: 10.11867/j.issn.1001-8166.2003.05.0653
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