00424naa a2200169 a 450000100080000000500110000800800410001910000180006024500450007826000090012365000110013265300120014365300130015565300140016870000190018277300530020118315032010-01-10       1936    bl ---       0--  u    #d1 aHARLAN, H. V.  aProblems and results in barley breeding.  c1936  aCevada  aCultura  aProblema  aResultado1 aMARTINI, M. L.  tYearbook of Agriculture, USDA, p. 303-346, 1936.