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Journal of Environmental Management > 2010 > 91 > 10 > 1981-1990
Procedia Environmental Sciences > 2010 > 2 > Complete > 1199-1205
Wuhan University Journal of Natural Sciences > 2007 > 12 > 4 > 721-728
The Journal of Systems & Software > 2006 > 79 > 2 > 246-252
Journal of Mountain Science > 2006 > 3 > 1 > 81-90