参考文献
[1] 北京市水务局.北京市“十一五”时期水资源保护及利用规划.2006,1-5.
[2] 程国栋.虚拟水——中国水资源安全战略的新思路[J].中国科学院院刊,2003(4):260-265.
[3] Hoekstra A.Y.(ed.)Virtual Water Trade:Proceedings of the international expert meeting on virtual water trade.Value of Water Research Report Series No.12.IHE DELFT,2003,13-23.
[4] Thompson,S.A.Hydrology for Water Management.A.A.Balkema,Rotterdam,The Netherlands.1999,110-115.
[5] 刘晓英,林而达.气候变化对华北地区主要作物需水量的影响[J].水利学报,2004(2):77-84.
[6] Hoekstra A.Y.and Hung P.Q.Virtual Water Trade:A quantification of virtual water flows between nations in relation to international crop trade.Value of Water Research Report Series No.11,UNESCO-IHE.2002.
[7] Chapagain A.K.and Hoekstra A.Y.Virtual water flows between nations in relation to trade in livestock and livestock products.Value of Water Research Report Series No.13,UNESCO-IHE.2003.