TY  - BOOK
AU  - Hewitt,William,1918-
TI  - Microbiological assay: an introduction to quantitative principles and evaluation 
SN  - 0123464501
PY  - 1977///
CY  - New York
PB  - AcademicPress
KW  - Microbiological assay
N1  - Includes bibliographies and index
ER  -