TY  - BOOK
AU  - S.D. Nehru
AU  -  K. Virupakashappa, 
TI  - Studies on selection of testers for combining ability analysis in sunflower (Helianthus annuus L.0
U1  - 630 
PY  - 1993///
CY  - Bangalore
PB  - University of Agricultural Sciences, Bangalore
ER  -