TY  - BOOK
AU  - Rothenberg, J.
AU  - Heggie, Ian G.
TI  - The Management of Water Quality and the Environment 
U1  - 628.161 
PY  - 1974///
CY  - London : 
PB  - Macmillan, 
KW  - Water Supply
N1  - NN
ER  -