TY  - NCL
AU  - Sprague,E.W.
TI  - Maize improvement: a multi-disciplinary approach
T2  - CIMMYT Translations and Reprints
U1  - CIM Series TR No. 22 
PY  - 1977///?]
CY  - Mexico
PB  - CIMMYT, 
KW  - Maize
KW  - AGROVOC
KW  - Agricultural planning
KW  - Genetic improvement
N1  - Open Access
UR  - http://hdl.handle.net/10883/19255
ER  -