1. The Statistical Analysis of Compositional Data;Aitchison,1986
2. Statistical diagnosis when basic cases are not classified with certainty;Aitchison;Biometrika,1976
3. Statistical Prediction Analysis;Aitchison,1975
4. Maximum-likelihood, from incomplete data via the EM algorithm;Dempster;J. R. Statist. Soc.,1977
5. Fuzzy classification in signal processing;Kent,1987