IOP Publishing, IOP Conference Series: Earth and Environmental Science, 34(6), p. 342025, 2009
DOI: 10.1088/1755-1307/6/34/342025
IOP Publishing, IOP Conference Series: Earth and Environmental Science, 34(6), p. 342025
DOI: 10.1088/1755-1307/6/4/342025
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