| 000 | 00550nam a2200145Ia 45e0 | ||
|---|---|---|---|
| 008 | 131205n1989 ii |||gr||||Z||||||eng | ||
| 020 | _a8770891019 | ||
| 082 | _a574 | ||
| 100 |
_aSingh, H. S., _eAuthor. |
||
| 245 | 0 |
_aPrinciples of Environmental Conservation _cH. S. Singh _hTextual Documents |
|
| 260 |
_aDehradun _bInternational Book Distributors _c1989 |
||
| 300 | _a273. | ||
| 653 | _aEnvironmental Conservation | ||
| 942 |
_2ddc _cTXT |
||
| 999 |
_c11251 _d11251 |
||