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. Discuss. J1 - HESSD VL - 5 IS - 5 SP - 2727 EP - 2757 Y1 - 2008/09/12 PB - Copernicus Publications SN - 1812-2116 UR - http://www.hydrol-earth-syst-sci-discuss.net/5/2727/2008/ L1 - http://www.hydrol-earth-syst-sci-discuss.net/5/2727/2008/hessd-5-2727-2008.pdf DO - 10.5194/hessd-5-2727-2008 ER -