TY  - BOOK
AU  - Macdonald,Ogilvy James Scott
TI  - Small sewage disposal systems, with special reference to the Tropics / 
U1  - 628.7 MACD 
PY  - 1951///
CY  - London : 
PB  - H. K. Lewis, 
KW  - Sewage disposal
ER  -