TY  - BOOK
AU  - Rosenthal,Evelyn B
TI  - Understanding the new mathematic
PY  - 1969/// c1965]
CY  - New York
PB  - Hawthorn Books
KW  - Arithmetic
KW  - 1901-
KW  - Local
KW  - Mathematics
N1  - First published in 1965 under title: Understanding the new mathematics; Bibliography: p. 239-240
ER  -