TY  - BOOK
AU  - Kelley, John L.
AU  - Richert, Donald
TI  - Elementary mathematics for teachers
U1  - 510 
PY  - 1970///
CY  - San Francisco
PB  - Holden Day
KW  - Mathematics
N1  - Suggested readings, p. 363 - 364 Supplement p. 1 - 32
ER  -