TY  - BOOK
ED  - Instittution of Civil Engineers                                                                                                                                                                                                                                . 
TI  - Reuse of sewage effluents 
SN  - 07-277023-0-0
U1  - 628.3 
PY  - 1985///
CY  - London : 
PB  - Thomas telford Ltd , 
ER  -