000			00411nam a2200157Ia 4500
008			130910s9999 xx 000 0 und d
020			_a0471023159
041			_aeng
082			_221st ed. _a631.52 _bALL/P
100			_aAllard, R.W.
245			_aPrinciples of plant breeding _cR.W. Allard
260			_aNew York : _bJohn Wiley , _c1960
300			_axi, 485p.: ill.
653			_aPlant breeding
942			_cEN _2ddc _01
999			_c13099 _d13099