000 00382nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aFederer, Walter T.
245 _aEvaluation of variance components from a group of experiments with multipal clas
260 _aIowa
_c1951
300 _a243-310 p.
440 _aIowa Agricultural Experiment
901 _a32154
942 _cB
_2udc
999 _c6214
_d6214