000 | 00414 a2200145 4500 | ||
---|---|---|---|
020 | _a8170248906 | ||
082 |
_a577.2703 _bCHI |
||
090 |
_c16600 _d25123 |
||
100 | _aChitkara, M.G. | ||
245 |
_aEncyclopaedia of ecology,environment and pollution _bthe water (prevention and control of pollution) act,1974 |
||
260 |
_aNew Delhi _bAPH _c1998 _g1998 |
||
300 |
_axv,343p. _c25cm |
||
650 | _aEcology | ||
942 | _cPR | ||
999 |
_c44584 _d44584 |