TY  - BOOK
AU  - Ketchum, Paul A.
TI  - Microbiology: concepts and applications 
SN  - 0471637629 (pbk.)
PY  - 1988///
CY  - Toronto
PB  - John Wiley & Sons
KW  - Microbiology
N1  - Includes index; Includes bibliographical references
ER  -