TY  - BOOK
AU  - Gerardi,Michael H.
ED  - Water Pollution Control Federation.
TI  - Wastewater biology: the microlife 
SN  - 0-943244-49-8
AV  - TD736 W37
PY  - 1990///
CY  - Alexandria, Virginia
PB  - Water Pollution Control Federation
KW  - Aguas residuales
KW  - Microbiología
ER  -