| 000 | 00362 a2200133 4500 | ||
|---|---|---|---|
| 082 |
_a628:504 _bCHO |
||
| 100 | _aChoudhary, A.K.4361 | ||
| 245 | _aEnvironmental engineering | ||
| 300 | _a145p. | ||
| 650 |
_a628:504 _xSafety engineering _xEnvironmental engineering4362 |
||
| 700 | _aPrakash, Om4363 | ||
| 942 |
_2ddc _cBK |
||
| 260 |
_aNew Delhi _bDhanpat Rai _c1996 |
||
| 999 |
_c351214 _d351214 |
||