TY  - GEN
AU  - Blake, E. H.
AU  - W.R. Jenkins.
TI  - Drainage & sanitation/ 
AV  - SPE - B 1117 
PY  - 1952///
CY  - London
PB  - B. T. Batsford, 
KW  - Drainage
KW  - Sanitation
N1  - Includes index (561 - 572 p.)
ER  -