TY  - BOOK
AU  - Kurt J. Leonard
AU  -  William E. Fry, 
TI  - Plant disease epidemiology. Vol 2 
SN  - 0-07-037235-7
U1  - 632.3 
PY  - 1989///
CY  - New York
PB  - McGraw Hill Publishing Company
N1  - Kurt J. Leonard & William E. Fry: Plant disease epidemiology. Vol 2.  New York.  McGraw Hill Publishing Company, 1989. 0-07-037235-7--(632.3LEO)
ER  -