TY  - BOOK
AU  - Gaudy,A.F.
TI  - Microbiology for environmental scientists & engineers
T2  - (McGraw-Hill Ser. in Water Resoruce and Environmental Eng.)
U1  - 576.165 GAU-N 
PY  - 1980///
CY  - New York
PB  - McGraw-Hill
ER  -