TY - BOOK AU - Allan,Tony TI - Virtual water: tackling the threat to our planet's most precious resource SN - 978-1-84511-984-3 U1 - 333.9116 A417 2011 PY - 2011/// CY - New York PB - I.B. Tauris & Co. Ltd. KW - Water conservation N1 - Includes index ER -