citation
de Fraiture, Charlotte; Cai, X; Amarasinghe, Upali; Rosegrant, M.; Molden, David. 2004. Does international cereal trade save water?: the impact of virtual water trade on global water use. Colombo, Sri Lanka: International Water Management Institute (IWMI), Comprehensive Assessment Secretariat. v, 32p. (Comprehensive Assessment of Water Management in Agriculture Research Report 004) doi: http://dx.doi.org/10.3910/2009.389
