TY  - BOOK
AU  - Razzell, Arthur G.
AU  - Watts, K. G. O.
TI  - Circles and curves; by Arthur G. Razzell and K.G.O. Watts; illus. by Ellen Raskin
T2  - Exploring mathematics
CY  - Doubleday, c1968.
KW  - Geometry
ER  -