000 00316nam a2200109Ia 4500
008 151008s9999 xx 000 0 und d
080 _aPROJ.633.15(047)
245 _aCoordinated maize improvement scheme : Progress report 1973
260 _bCoordinated maize improvement scheme
300 _a139p.
942 _cPR
_2udc
999 _c18264
_d18264