TY  - BOOK
AU  - Campbell, C. Lee
TI  - Campbell, C. Lee Introduction to plant disease epidemiology
SN  - 0471832367
U1  - 632.3 CAM 
PY  - 1990///
CY  - New York
PB  - John Wiley & Sons
KW  - Plant diseases - Epidemiology
ER  -