TY  - BOOK
AU  - Larsen, Max D.
AU  - Fejfar, James (jt. auth)
TI  - Essentials of elementary school mathematics
U1  - 510 
PY  - 1974///
CY  - New York
PB  - Acacemic Press
KW  - Mathematics-Study and teaching-Elementary
N1  - Includes bibliography and index
ER  -