TY  - BOOK
AU  - Grossnickle,Foster E.
AU  - Reckzeh,John
TI  - Discovering meanings in elementary school mathematics
SN  - 0030032911
AV  - QA 135 .G76 1973 
PY  - 1973///
CY  - New York
PB  - Holt,Rinehart and Winston, Inc.
KW  - Mathematics
KW  - study and teaching (elementary)
N1  - Includes index
ER  -