00387naa a2200145 a 450000100080000000500110000800800410001910000150006024500520007526000090012765000160013665000170015265000100016977300620017918312082011-08-18       1965    bl ---       0--  u    #d1 aDAY, R. H.  aProbability distributions of field crop yields.  c1965  aAgricultura  aEstatística  aRisco  tJournal of Farm Economicsgv. 47, n. 3, p. 713-741, 1965.