Brueckner, Leo J. Using number ideas / Leo J. Brueckner, Foster E. Grossnickle and Elda L. Merton. - New York : Holt, Rinehart and Winston, c 1961. - vi, 442 p. : ill. ; 24 cm. Includes index. 343 343 Subjects--Topical Terms: Mathematics. Dewey Class. No.: 510.7 / B832u