TY  - BOOK
AU  - Watt, S.B.
TI  - Septic tanks and aqua-privies from ferrocement / S.B. Watt
U1  - B 15.112 WAT -4393   
CY  - London : Intermediate Technology Publications, 1984.
KW  - Septic tanks
KW  - Water supply engineering
KW  - ENG
ER  -