Brumfiel, Charles Francis, 1914- Fundamental concepts of elementary mathematics / Charles F. Brumf iel, Robert E. Eicholz and Merrill E. Shanks. - Raeding : Addison-Wesley, 1962. - xi, 340 p. : ill. ; 24 cm. Subjects--Topical Terms: Mathematics --Study and teaching (Elementary).------ Dewey Class. No.: 510 BRU