TY  - BOOK
AU  - Berk, Sharon G.
AU  - Gunderson,John H.
TI  - Wastewater organisms: a color atlas 
SN  - 087371623X
PY  - 1993///
CY  - Boca Raton, Fla.
PB  -  Lewis Publishers
KW  - Sewage
KW  - Microbiology
KW  - Atlases
N1  - Includes index; Available at Cataloging Unit; Includes bibliographical references
ER  -