000 | 00422nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 140317s9999 xx 000 0 und d | ||
082 | _a363.738 7 | ||
100 | _aPurohit,S.K. | ||
245 | _aChemical and biological methods of water and air pollution control. | ||
260 |
_aBikaner _bAgro Bot.Pub. _c1985 |
||
300 | _a56 | ||
650 | _aSocial Problems , Service | ||
653 | _aSocial Problems and Services | ||
942 |
_2ddc _cBK |
||
999 |
_c10661 _d10661 |