TY  - BOOK
AU  - CAMPBELL  LEE C.
TI  - INTRODUCTION TO PLANT DISEASE EPIDIEOLOGY
SN  - 0-471-83236-7
AV  - 632.3/CAM 1
U1  - 632.3/CAM 
PY  - 1990///
CY  - NEW YORK
PB  - JOHN WILEY
ER  -