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Zhang, Yan Lin; Lee, Xin Qing; Cao, Fang; Huang, Dai Kuan (2011). Seasonal variation and sources of low molecular weight organic acids in precipitation in the rural area of Anshun. Chinese science bulletin, 56(10), pp. 1005-1010. Beijing (China): Science in China Press 10.1007/s11434-011-4411-5
