TY - JOUR A1 - Dabrowski, J. M. A1 - Masekoameng, E. A1 - Ashton, P. J. T1 - Analysis of virtual water flows associated with the trade of maize in the SADC region: importance of scale JO - Hydrol. Earth Syst. Sci. J1 - HESS VL - 13 IS - 10 SP - 1967 EP - 1977 Y1 - 2009/10/23 PB - Copernicus Publications SN - 1607-7938 UR - http://www.hydrol-earth-syst-sci.net/13/1967/2009/ L1 - http://www.hydrol-earth-syst-sci.net/13/1967/2009/hess-13-1967-2009.pdf DO - 10.5194/hess-13-1967-2009 ER -