Advances in Earth Science >
1992 , Vol. 7 >Issue 1: 54
DOI: https://doi.org/10.11867/j.issn.1001-8166.1992.01.0054
Received date: 1991-03-21
Online published: 1992-02-01
Liu Yanmin . [J]. Advances in Earth Science, 1992 , 7(1) : 54 . DOI: 10.11867/j.issn.1001-8166.1992.01.0054
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