Steel, Robert George Douglas, 1917- Principles and procedures of statistics : with special reference to the biological sciences / [by] Robert G. D. Steel [and] James H. Torrie. - New York, McGraw-Hill, 1960. - 481 p. : illus. ; 24 cm. Includes bibliography. LCCN: 59013216 Subjects--Topical Terms: Mathematical statistics.Biomathematics. LC Class. No.: QA276 / .S82 Dewey Class. No.: 310 / S813