000 00664cam a2200169Ia 4500
080 _a631.526.325:633.15(1-77)
_bT487D
245 1 _aDevelopment and spread of improved maize varieties and hybrids in developing countries
_cDavid H. Timothy, Paul H. Harvey, and Christopher R. Dowswell.
260 _aWashington, DC :
_bBureau for Science and Technology, Agency for International Development
_c1988
650 0 0 _aHybrid corn
700 1 _aHarvey, Paul Henry,
700 1 _aDowswell, Christopher R.
100 1 _aTimothy, David H.
300 _axi, 71 p.
_bill.
_c28 cm.
040 _aIARI, New Delhi
901 _a162097
901 _a162097
999 _c81384
_d81384