ArchiveVolume 7, Issue 2, April 2018
Weiqi Chen, Xuelian Meng, Shuisen Chen, Jia Liu
Pages: 42-52     Published Online: Feb. 3, 2018
DOI: 10.11648/j.earth.20180702.11        Views 284      Downloads 7
Zoltán Unger, David Leclair
Pages: 53-57     Published Online: Feb. 9, 2018
DOI: 10.11648/j.earth.20180702.12        Views 338      Downloads 17
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