00424nam a22001457i 4500001001000000005001700010008004100027082002100068100001700089245005300106260007000159300001700229650001400246020001800260SXC02299920260819093729.0260101s1998    ii            000 0 eng d  a363.73 KHO-E222  aKhopkar, S M10aEnvironmental pollution analysis /cKhopkar, S M  abNew Age International (P) Limited, Publishers, New Delhi,c1998  ap. ;c22 cm. 0aPollution  a9788122404630