Bhattacharyya, Gourin K. Statistical concepts and methods / Gourin K. Bhattacharyya & Richard A. Johnson - New York : John Wiley & Sons, 1977 - xv, 639p.: ill.; 22 cm. Includes bibliographical references and index. Subjects--Topical Terms: StatisticsMethodology Dewey Class. No.: 311.2 / BHA