00423nam a2200181Ia 4500008004100000041001200041082000800053082001100061100001600072100001100088245002800099250001200127260001400139260004400153260000900197300001500206650002000221150901s9999    xx            000 0 und d  aEnglish  a632  bDIC/DI  aDickson J G  eAuthor  aDiseases of field crops  a2nd Ed.  aNew Delhi  bTata Mcgraw hill publishing company Ltd  c1956  a517  Pages  aPlant pathology