Sokal, Robert R. Biometry the principles and practice of statistics in biological research Robert R. Sokal and F. James Rohlf. - 2d ed. - San Francisco W. H. Freeman c1981. - xviii, 859 p. ill. 24 cm. Includes index. Bibliography: p. 826-837. ISBN: 0716712547 43,95 LCCN: 81000004 Subjects--Topical Terms: Biometry LC Class. No.: QH323.5 / .S63 1981 Dewey Class. No.: 574.072 / S683b2