Advances in Earth Science >
1994 , Vol. 9 >Issue 2: 89 - 90
DOI: https://doi.org/10.11867/j.issn.1001-8166.1994.02.0089
Online published: 1994-03-01
Gao Xiaoqing . [J]. Advances in Earth Science, 1994 , 9(2) : 89 -90 . DOI: 10.11867/j.issn.1001-8166.1994.02.0089
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