Quantitative Relationship Between Pollen in the Surface Soil and Vegetation in the Yanshan Area
YANG Zhen-Jing, XU Qing-Hai, MENG Ling-Yao, YANG Xiao-Lan, WANG Kai-Fa
Chin J Plan Ecolo . 2003, (6): 804 -810 .  DOI: 10.17521/cjpe.2003.0115

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