TY  - BOOK
AU  - Curds, C.R.;Hawkes, H.A.
TI  - Ecological aspects of used-water treatment. Volume 1 : the organisms and their ecology 
SN  - 0121995018
PY  - 1975///
CY  - London
PB  - Academic Press
KW  - Sewage--Microbiology Sewage--Purification--Biological treatment
ER  -