Steel, Robert G. D. Principles and procedures of statistics : a biometrical approach / Robert G.D. Steel and James H. Torrie - 2nd ed. - Auckland : McGraw-Hill, 1980 - xxi, 633 p. : ill. ; 21 cm. Includes index ISBN: 0070609268 Subjects--Topical Terms: Mathematical statisticsBiomathematics Dewey Class. No.: 519.5