00627naa a2200145 a 450000100080000000500110000800800410001910000210006024500770008126000090015852002220016765000170038965300290040677300460043515214162023-09-04 1953 bl uuuu u00u1 u #d1 aHENDERSON, C. R. aEstimation of variance and covariance components.h[electronic resource] c1953 aTo describe some methods for estimating variance components in the non-orthogonal case and to illustrate the methods with a small sample of butterfat records made by cows resulting from an artificial breeding program. aEstatística aComponentes de variancia tBiometricsgv. 9, n. 5, p. 226-253, 1953.