一种改进的灰水足迹计算方法
王丹阳1, 李景保1,*, 叶亚亚1, 谭芬芳1,2

An Improved Calculation Method of Grey Water Footprint
WANG Dan-yang1, LI Jing-bao1, YE Ya-ya1, TAN Fen-fang1,2
1985—2013年湖南省灰水足迹变化趋势
Changing trend of grey water footprint in Hunan Province during 1985-2013