@Article{hessd-3-1-2006,
AUTHOR = {Yang, H. and Wang, L. and Abbaspour, K. C. and Zehnder, A. J. B.},
TITLE = {Virtual water highway: water use efficiency in global food trade},
JOURNAL = {Hydrology and Earth System Sciences Discussions},
VOLUME = {3},
YEAR = {2006},
NUMBER = {1},
PAGES = {1--26},
URL = {http://www.hydrol-earth-syst-sci-discuss.net/3/1/2006/},
ISSN = {1812-2108}
}