000 00392nam a2200157Ia 4500
008 210210b1989 xxu||||| |||| 00| 0 eng d
020 _a81 7024 210 X
082 _a363.73 SRIE
100 _aSRIVASTAVA (Y).
245 _aEnvironmental pollution.
260 _aND
_bAshish publishing house
_c1989
300 _aVII,84
650 _aPollution
690 _aSocial Problems
906 _a043825
999 _c93508
_d93508