TY  - GEN
AU  - Heald, Fredrick Deforest
TI  - Manual of plant diseases
U1  - 632 
PY  - 1963///
CY  - New Delhi
PB  - Eurasia Publishing
KW  -   Agriculture
KW  -   Plants
KW  -   Plant, diseases
KW  - Virus diseases of plants--Diagnosis
ER  -