TY  - BOOK
AU  - Downing,Paul B.
TI  - The economics of urban sewage disposal
T2  - Praeger special studies in U.S. economic and social development
U1  - 628.3 
PY  - 1969///
CY  - New York
PB  - Praeger
KW  - Sewage disposal
N1  - Bibliography: p. 189-195
ER  -