TY  - BOOK
AU  - Ramalho,R.S.
TI  - Introduction to wastewater treatment processes
SN  - 0125765606
U1  - 628.3 
PY  - 1983///
CY  - San Diego
PB  - Academic Press
KW  - Aguas residuales
KW  - Purificación
KW  - Sewage
KW  - Purification
N1  - Includes bibliographies and index
ER  -