TY  - GEN
AU  - Schumann, Gail L.
TI  - Plant diseases: their biology and social impact
SN  - 8185860076
U1  - 632.3 
PY  - 1991///
CY  - Lucknow
PB  - International Book Distributing
KW  - Diseases
KW  - Plant injuries, diseases, Pests
ER  -