TY  - TH
AU  - Legesse Wolde Beyene
TI  - Genetic diversity, combining ability and heterosis in maize inbred lines (Zea mays L.) for the Highlands of Ethiopia
PY  - 2005///
CY  - Pretoria (South Africa)
PB  - University of Pretoria, 
N1  - Nationality: ET; Thesis (Ph. D.)
ER  -