TY  - BOOK
AU  - Black,John A.
TI  - Water pollution technology
SN  - 0879098759
U1  - 628 
PY  - 1977///
CY  - Virginia
PB  - Peston Pub.
KW  - Water
KW  - Pollution
KW  - Measurement
KW  - Sewage
KW  - Purification
KW  - Water quality management
N1  - Includes index
ER  -