1. Karhunen-Loève expansion and factor analysis—theoretical remarks and applications, Trans. of the 4th Prague Conf. on Information Theory (Aug./Sept. 1965).
2. Mathematical Statistics, John Wiley & Sons (1962).
3. and . Multivariate Procedure for the Behavioral Sciences, John Wiley & Sons (1962).
4. and . A generalization of the linear threshold decision algorithm to multiple classes, in Computer and information sciences—II, ed., Academic Press (1967).