Shao, Ling Water footprint assessment for wastewater treatment: method, indicator, and application. [electronic resource] - Environmental science & technology Jul 2013 - 7787-94 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1520-5851 Standard No.: 10.1021/es402013t doi Subjects--Topical Terms: WastewaterWater Purification--methods