TY  - BOOK
AU  - Singh, B.P.
AU  - Singh, B.
ED  - Dua, VK
TI  - Production of Disease Free Quality Planting Material Propagated Through Tubers and Rhizomes
U1  - 633.491  
PY  - 2011///
CY  - Shimla
PB  - Central Potato Research Institute 
ER  -