Steel, Robert George Douglas, 1917- 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. Includes bibliographical references. LCCN: 59013216 /L Subjects--Topical Terms: Mathematical statistics.Biomathematics. LC Class. No.: QA276 / .S82 Dewey Class. No.: 519.9