TY  - BOOK
AU  - Berg,,Gerald /
AU  - Berg , Gerald , ed
TI  - Indicators of viruses in water and food
SN  - 0250400553
U1  - 616.988 
PY  - 1978///
CY  - Michigan
PB  - Ann arbor science
KW  - Indicators of viruses in water and food
ER  -