Arley, Niels Introduction to the theory of probability and statistics / Niels Arley ; K. Rander Buch - New York ; New York : John Wiley & Sons, 1950 [Printig 1961]. - xi, 238 p. ; 21 cm. Includes index. Subjects--Topical Terms: Statistics as Topic Dewey Class. No.: 519.5 / ARI 1961