000 00361nam a2200109Ia 4500
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100 _aHadorn Ch
245 0 _aCorrelation between apple tree growth and the biology of powdery mildew as a basis for control measures
260 _bBooklet published by Sandoz Ltd, Basle, Switzerland
300 _a10p
942 _cRE
999 _c46490
_d46490