00456nam a2200193Ia 4500008004100000041001200041082000800053082001100061100001700072100001100089245003600100260001100136260002700147260000900174300001500183365002500198650001800223650002100241150909s9999    xx            000 0 und d  aEnglish  a632  bTHR/PE  aThresh J M    eEditor  aPests, pathogens and vegetation  aLondon  bPitman Publishing  Ltd  c1981  a517  Pages  aU.K.P.30.00           aplant disease  aPlant patrhology