TY  - GEN
AU  - Leonard,K.J.,Fry,W.E.
TI  - Plant disease epidemiology
PY  - 1986///
CY  - New York
PB  - Macmillan Publishing Co.
KW  - Plant Diseases
KW  - Epidemiology
N1  - Vol. 1 : Population dynamics and management
ER  -