TY  - BOOK
AU  - Alberston,Orris E.
AU  - Semon,Jeannette A.
TI  - Manuals of practice for water pollution control: operation and maintenance of sludge dewatering systems 
T2  - Manual of practice
AV  - TD769.7 M35
PY  - 1987///
CY  - Alexandria, Virginia.
PB  - Water Pollution Control Federation
KW  - Calidad del agua
KW  - Aguas residuales
KW  - Disecacion de sedimentos
ER  -