1. Data structures and algorithms;Aho,1983
2. “Latent variable models in econometrics”;Aigner,1984
3. Albert, A.A. (1944a), “The matrices of factor analysis”, Proceedings of the National Academy of Sciences, 30, 90–95.
4. Albert, A.A. (1944b), “The minimum rank of a correlation matrix”, Proceedings of the National Academy of Sciences, 30, 144–146.
5. “Estimating linear restrictions on regression coefficients for multivariate normal distributions”;Anderson;Annals of Mathematical Statistics,1951