00432nam a22001577i 4500001001000000005001700010008004100027082002300068100001600091245003300107250001000140260004600150300001700196650004300213020001800256SXC02299620260819093729.0260101s1999    ii            000 0 eng d  a577.276 SHA-A3222  aSharma, B K10aAir pollution /cSharma, B K  a3 ed.  abKrishna Prakashan Mandir, Meerut,c1999  ap. ;c22 cm. 0aAir pollution; Environmental pollution  a9781566705134