| 000 | 003520000a22001330004500 | ||
|---|---|---|---|
| 008 | 140223b1989 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aENG | ||
| 080 | _aGV:55A M9 | ||
| 082 | _aGV:55A M9 | ||
| 100 | _aSINGH (H.S) | ||
| 245 | _aPrinciples of environmental conservation. | ||
| 260 |
_aDehradun _bInternatioanl book dis _c1989 |
||
| 650 | _aMICROBIOLOGY | ||
| 999 |
_c99706 _d99706 |
||