| 000 | 00495pam a2200121a 44500 | ||
|---|---|---|---|
| 008 | 140414b1973 xxu||||| |||| 00| 0 eng d | ||
| 245 |
_aApplications of Commercial Oxygen to Water and Wastewater Systems _cedited by SPEECE, RICHARD E. ; MALINA, JOSEPH F. |
||
| 260 |
_aTexas _bCenter for Research in Water Resources _c1973 |
||
| 650 | _aSEWAGE --PURIFICATION --ACTIVATED SLUDGE PROCESS --CONGRESSES. | ||
| 690 | _aCIVIL ENGINEERING | ||
| 700 | _aSPEECE, RICHARD E. ; MALINA, JOSEPH F. | ||
| 906 | _a7245 | ||
| 999 |
_c6932 _d6932 |
||