Hoel, Paul G. Introduction to mathematical statistics / Paul G. Hoel. - 2nd ed. - New York : John Wiley & sons, c1954. - xi,331p. : ill. ; 24 cm. Includes index. english LCCN: 61019163 Subjects--Topical Terms: Mathematical statistics. LC Class. No.: QA276 / .W4 1961 Dewey Class. No.: 519.9/HOI