TY  - BOOK
AU  - Berk, S.G. 
AU  - Gunderson, J.H.
TI  - Wastewater organisms: a color atlas
SN  - 087371623X
PY  - 1993///
CY  - Boca Raton
PB  - Lewis Publishers
KW  - Sewage--Microbiology--Atlases
ER  -