Variation of soil CO2 concentration content and its significance in epikarst of Guilin
WU Xia, ZHU Xiaoyan, ZHANG Meiliang, LI Tao, BAI Xiao
Ecology and Environment . 2012, (5): 834 -839 .  DOI: 10.16258/j.cnki.1674-5906(2012)05-0834-06

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