000 00328nam a22001337a 4500
999 _c45566
_d45566
003 OSt
008 190929b ||||| |||| 00| 0 eng d
082 _a628.74 S
100 _aSingh.Pramod
245 _aenvironmental pollution and management
260 _aAllahabad
_bChugh Publication
_c1985
300 _a243
942 _2ddc
_cBK