| 000 | 00364 a2200133 4500 | ||
|---|---|---|---|
| 082 |
_a628:504 _bCHO |
||
| 100 |
_aChoudhary, A.K. _94361 |
||
| 245 | _aEnvironmental engineering | ||
| 300 | _a145p. | ||
| 650 |
_a628:504 _xSafety engineering _xEnvironmental engineering _94362 |
||
| 700 |
_aPrakash, Om _94363 |
||
| 942 |
_2ddc _cBK |
||
| 260 |
_aNew Delhi _bDhanpat Rai _c1996 |
||
| 999 |
_c334145 _d334145 |
||