TY  - BOOK
AU  - Berg, Gerald.
TI  - Indicators of viruses in water and food
U1  - 664.8 
PY  - 1978///
CY  - Ann Arbor, Mich.
PB  - Ann Arbor Science
KW  - Agua
KW  - Bacteriologia
KW  - Alimentos
KW  - Bacteriología
KW  - Virus
ER  -