1. An Introduction to Multivariate Techniques for Social and Behavioural Sciences;Bennett,1977
2. “Factor analysis of sex-age-specific death rates: A contribution to the study of the dimensions of mortality.”;Bourgeois-Pichat;Population Bulletin of the United Nations,1963
3. The Scientific Use of Factor Analysis in Behavioral and Life Sciences;Cattell,1978
4. “The dimensions of social change in the U.S. as determined by P-technique.”;Cattell;Social Forces,1951
5. BMDP Statistical Software 1981,1981