TY  - BOOK
AU  - Escritt.L.B.
TI  - Sewers &Sewage Works With Metric Calcu.&Formulae
U1  - 25D-345 
PY  - 1972///
PB  - Gorge Allen & Unwin Ltd, London.
KW  - CIVI
KW  - C-12
ER  -