00293nam a2200109Ia 4500008004100000082001600041100002200057245002800079260004800107300001000155650001800165140113s9999    xx            000 0 und d  a632:633  L1  a" Western, J. H."  aDiseases of crop plants  b"London : Macmillan and co., limited, 1971"  a404p.  aPlant disease