00393nam a2200145Ia 4500008004100000082001600041100002000057245003600077260005400113300000800167650002300175650001800198653001200216653001900228170901s1949    xx            000 0 und d  a581.2bG41G  aGlasscock, H.H. 0aGood Ccontrol of Plant Diseases  aLondonbThe English Universities Press Ltd.c1949  a180  aBotanical sciences  aPure Sciences  aControl  aPlant diseases