TY  - BOOK
AU  - Sharma,B.M.
ED  - Central Potato Research Institute(Simla,India)
TI  - Producing disease-free seed potatoes
U1  - 633.491 
PY  - 1982///
CY  - Simla
PB  - Central Potato Research Institute
KW  - Potatoes
KW  - Diseases and pests
KW  - Seed potatoes
ER  -