TY  - GEN
AU  - Schumann , Gail   L.
TI  - Plant diseases: their biology  social impact
SN  - 8185860076
U1  - 571.92 
PY  - 1991///
CY  - India
PB  - International Book Distributing
KW  - PLANT DISEASES
KW  - PLANT PATHLOGY
ER  -