00444naa a2200157 a 450000100080000000500110000800800410001910000200006024500940008026000090017465000120018365000090019565000100020470000190021477300530023318327742010-01-10       1933    bl ---       0--  u    #d1 aSIMMONDS, P. M.  aFurther studies on amputations of wheat roots in relation to diseases of the root system.  c1933  aDoença  aRaiz  aTrigo1 aSALLANS, B. J.  tScientific Agriculturegv. 13, p. 440-448, 1933.