00479nam a22001457i 4500001001000000005001700010008004100027082002100068100003600089245006100125260004300186300001700229650006900246020001800315SXC03147320260819093904.0260101s2006    ii            000 0 eng d  a577.27 AHL-E222  aAhluwalia, V K; Sunita Malhotra10aEnvironmental science /cAhluwalia, V K; Sunita Malhotra  abAne Books Pvt. Ltd, New Delhi,c2006  ap. ;c22 cm. 0aEnvironmental pollution; Effects of humans, pollution on ecology  a9780073301693