TY  - BOOK
AU  - Day, Peter R., ed.
TI  - The genetic basis of epidemics in agriculture
SN  - 0809720339
U1  - 508.1/DAY 
PY  - 1977///
CY  - New York
PB  - The New York Academy of Sciences
KW  - Plant breeding
KW  - Plant diseases--Epidemics
ER  -