TY  - BOOK
AU  - Brueckner, Leo J.
AU  - Merton, Elda L.
AU  - Grossnickle, Foster E.
TI  - Gaining Number Power 6
U1  - 372.7 
PY  - 1961///
CY  - New York
PB  - Holt, Rinehart and Winston Inc
KW  - Primary Education
ER  -