| 000 | 00391nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 160808s2002 xx 000 0 eng d | ||
| 041 | _aeng | ||
| 084 |
_aE(G:55)ObD854 _2CC |
||
| 100 | _aAyodhya Singh | ||
| 245 |
_aTextbook of environment chemistry / _cby Ayodhya Singh |
||
| 260 |
_aNew Delhi : _bComputer Book, _c2002. |
||
| 653 | _aBiology | ||
| 653 | _aChemistry | ||
| 999 |
_c209876 _d209876 |
||