Johnson, Marcia K. Statistics : tools of the behavioral sciences / Marcia K. John son and Robert M. Liebert. - New Jersey : Prentice-Hall, 1977. - xiv, 237 p. : ill. ; 24 cm. Includes index ISBN: 0138447047 Subjects--Topical Terms: Statistics, Medical. National Library of Medicine Call No.: HA 29 / J635 1977