TY  - BOOK
AU  - Heald, Fredrick Deforest.
AU  - Cole, Leon J.
TI  - Manual of plant diseases
U1  - 581.2 
PY  - 1933///
CY  - New York
PB  - Mcgraw hill book
KW  - Plant diseases 	
KW  - Virus diseases of plants--Diagnosis
ER  -