00472nam a2200133Ia 4500008004100000082002000041100002400061245007100085260004700156300000800203942000700211952010300218999001700321140113s9999 xx 000 0 und d a631.524.86 L3 a"Nelson, R.R., Ed." aBreeding plants for disease resistance : concepts and applications a1973bThe Pennsylvania Univ. PresscLondon a398 cBK 00104070aVTLbVTLd2014-01-13l0o631.524.86 L3pVBK2539r2014-01-13 00:00:00w2014-01-13yBK c59220d59220