TY - RE AU - Bjarnason,M. TI - The subtropical, midaltitude, and highland maize subprogram T2 - CIMMYT Maize Program Special Report SN - 968-6923-31-4 PY - 1994/// CY - Mexico PB - CIMMYT, KW - Plant breeding KW - AGROVOC KW - Environmental factors KW - Research institutions KW - Highlands KW - Zea mays KW - Research projects KW - Selection N1 - Open Access UR - http://hdl.handle.net/10883/742 ER -