| 000 | 00421nam a22001457a 4500 | ||
|---|---|---|---|
| 999 |
_c4919 _d4919 |
||
| 005 | 20191204112611.0 | ||
| 008 | 140106b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a8770891019 | ||
| 082 | _a333.7 SIN | ||
| 100 | _aSingh, H S. | ||
| 245 | _aPrinciples of Environmental Conservation/ (Acc: 320) | ||
| 260 |
_aDehra Dun, India. _bInternational Book Distributors. _c1989 |
||
| 300 |
_a273 p _c22 cm. cm. |
||
| 942 |
_2ddc _cENV _02 |
||