000 00431nam a22001577a 4500
008 230517b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a574.2/.3
_bN1
100 _aAgarwal, S K
_99243
245 _aPollution ecology
260 _aUdaipur:
_bHimanshu Publications,
_c1991
300 _a222p.
650 _aEcology
653 _aPollution
942 _2udc
_cBK
999 _c31372
_d31372