000 00311nam a2200121Ia 4500
008 170101s1980 xx 000 0 und d
082 _a633 UNI
100 _aUnited Nations
245 0 _aImprovement and Production of Maize, Sorghum and Millet Vol. 2
260 _c1980
300 _a487 p.
942 _2ddc
_cB
999 _c750316
_d750316