TY  - TH
AU  - Kanter,Dwight G.
TI  - Combining ability of corn (Zea mays L.) genotypes for photosynthesis and yield and yield components at orthogonal plant spacings
PY  - 1972///
CY  - Fargo, ND (USA)
PB  - North Dakota State University, 
N1  - Thesis (Ph. D.)
ER  -