Standard of Ecological Compensation for Paddy Fields Transferring into Dry Land in Coal Mining Collapsed Zone Based on the Concept of Virtual Water: Case Study on Songzao in Chongqing
CHENG Liu-san, SHI Wei-yu
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2015, (9): 42 -46 .  DOI: 10.11988/ckyyb.20140275