TY  - BOOK
AU  - Campbell C Lee
AU  -  Madden Laurence V
TI  - Introduction to plant disease epidemology
U1  - J:4:51, N0 
PY  - 1990///
CY  - New York    
PB  -  John Wiley & Sons     
KW  -  Plant disease
KW  -  Plant protection
KW  - Agriculture
ER  -