TY  - BOOK
AU  - Schumann,Gail L.
TI  - Plant diseases: their biology and social impact
SN  - 0890541167
AV  - SB731 .S38 1991
PY  - 1991///
CY  - St. Paul, Minn.
PB  - APS Press, American Phytopathological Society
KW  - Plant diseases
ER  -