| 000 | 00454nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 170901s1989 xx 000 0 und d | ||
| 020 | _a8770891019 | ||
| 082 |
_a333.72 _bS48P |
||
| 100 | _aSingh, H.S. | ||
| 245 | 0 | _aPrinciples of Environmental Conservation | |
| 260 |
_aDehradun _bInternational Book Distributors _c1989 |
||
| 300 | _a273 | ||
| 650 | _aEconomics | ||
| 650 | _aSocial sciences | ||
| 653 | _aEnvironmental protection | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c2548 _d2548 |
||