00290nam a2200109Ia 450000500170000000800410001708200210005810000180007924500440009726000290014130000100017020260205062716.0260111s9999||||xx |||||||||||||| ||und||  a363.61095  Ag81W  aAgrawal, K.P. 0aWater: the elixir of life is endangered  aNew DelhibConceptc2012  a165p.