TY  - BOOK
AU  - Bolton, Ronald Lomax
AU  - Klein, Louis
TI  - Sewage Treatment Basic Principles and Trends 
U1  - 628.3 
PY  - 1961///
CY  - London : 
PB  - Butterworth-Heinemann, 
KW  - Sewage Disposal
N1  - NN
ER  -