Cox, D. R., Multivariate dependencies models, analysis and interpretation D. R. Cox , Nanny Wermuth. - London Chapman & Hall 1996. - 255 pages : illustrations ; 22 cm. - Monographs on statistics and applied probability 67 . p. 231-237 ISBN: 041275410X RM144.48 Subjects--Topical Terms: Multivariate analysis.