TY  - BOOK
AU  - Coomaraswamy, Uma
TI  - Environmental and applied microbiology. vol. II  : microbiology of water and air
U1  - 579 
PY  - 1998///
CY  - Nugegoda
PB  - Open University of Sri Lanka
KW  - Microorganisms
KW  - Sewage disposal
KW  - Water-pollution
KW  - Water-supply
ER  -