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 |