00508naa a2200169 a 450000100080000000500110000800800410001910000170006024500950007726000090017265300290018165300160021065300130022665300230023970000200026277300560028212785991999-07-02       1958    bl ---       0--  u    #d1 aHATHEWAY, W.  aEfficient estimation of relationship between plot size and the variability of crop yields.  c1958  aEstatistica experimental  aExperimento  aPrecisao  aTamanho de parcela1 aWILLIAMS, E. J.  tBiometrics, Washingtongv.14, n.2, p.207-222, 1958.