| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c1086 _d1086 |
||
| 003 | OSt | ||
| 005 | 20180602110422.0 | ||
| 008 | 180602b xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a634 _bNEG |
||
| 100 | _aNegi, S. S | ||
| 245 |
_aEnvironmental Conservation / _cby S. S. Negi. |
||
| 260 |
_aDehra Dun : _bBishen Singh Mahendra pal Singh ; _c1983. |
||
| 300 |
_aviii ; 78 p., _c22 cm. |
||
| 942 |
_2ddc _cBK |
||