TY  - BOOK
AU  - Boyajian, Edward,
AU  - Glueckstein, Lee J.,
ED  - Water Pollution Control Federation.
ED  - Water Pollution Control Federation.
TI  - Activated sludge manual of practice no. om-9
T2  - Manual of practice
SN  - 0943244978
AV  - TD201 W337
PY  - 1987///
CY  - Alexandria, virginia
PB  - Water Pollution Control Federation
KW  - Aguas residuales
KW  - Proceso de barro activado
KW  - Manuales
ER  -