| 000 | 00371nab a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 230808s1997 |||||||f |||| 00| 0 eng d | ||
| 100 |
_aLiu, Yu _9496910 |
||
| 245 | 0 | _aEstimating Minimum Fixed Biomass Concentration and Active Thickness of Nitrifying Biofilm. | |
| 300 | _a198-200 p. | ||
| 773 |
_d1997 _tAsce: Journal of Environmental Engineering _x07339372 |
||
| 942 |
_cART _o51 _pABUL KALAM Library |
||
| 999 |
_c798818 _d798818 |
||