IOP Publishing, IOP Conference Series: Earth and Environmental Science, 24(6), p. 242025, 2009
DOI: 10.1088/1755-1307/6/24/242025
IOP Publishing, IOP Conference Series: Earth and Environmental Science, 24(6), p. 242025
DOI: 10.1088/1755-1307/6/4/242025
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