00325nam a2200121Ia 4500008004100000082001500041100002300056245002900079260002800108300001400136600001800150650003500168140224s9999    xx            000 0 und d  a632:633 L1  aWestern, J.H., ed.  aDiseases of crop plants.  aLondonbMacMillanc1971  axii,404p.  aJ.H. Western   aField crops-diseases and pests