000 00304nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aApple powdery mildew
260 _aLondon
260 _c1960
300 _a0.75
440 _aGreat Britain Ministry of Agri
901 _pS2451
942 _cB
_2udc
999 _c152725
_d152725