Gordon, A. D. Classification: methods for the exploratory analysis of multivariate data/ A. D. Gordon. - London; New York: Chapman & Hall, 1981. - xii, 193 p.: ill.; 22 cm. - Monographs on applied probability and statistics . Includes indexes. Bibliography: p. [169]-182. ISBN: 0412228505 LCCN: 80042135 Nat. Bib. No.: GB81-18150 Subjects--Topical Terms: Discriminant analysis.Cluster analysis Dewey Class. No.: 519.5 / G662c