IOP Publishing, IOP Conference Series: Earth and Environmental Science, 12(6), p. 122008, 2009
DOI: 10.1088/1755-1307/6/12/122008
IOP Publishing, IOP Conference Series: Earth and Environmental Science, 12(6), p. 122008
DOI: 10.1088/1755-1307/6/2/122008
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