Calculation and Assessment of Grey Water Footprint in Consideration of Time Dimension: A Case Study on the Upstream of Dahuofang Reservoir of Hunhe River
YAN Bin, HUANG Wan-xia, LIU Yu-ting
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2018, (7): 40 -45 .  DOI: 10.11988/ckyyb.20170180