1. Allan, J.A., 1997. ‘Virtual water’: a long term solution for water short Middle Eastern economies? Paper presented at the 1997 British Association Festival of Science, University of Leeds, 9 September 1997.
2. Virtual water: a strategic resource, global solutions to regional deficits;Allan;Groundwater,1998
3. Crop Evapotranspiration: Guidelines for Computing Crop Water Requirements;Allen,1998
4. Virtual Water Flows Between Nations in Relation to Trade in Livestock and Livestock Products;Chapagain,2003
5. The Water Needed to Have the Dutch Drink Coffee;Chapagain,2003