TY  - BOOK
AU  - Marsh,Leonard George
TI  - Let's explore mathematics,
AV  - QA107 .M28
U1  - 372.72 
PY  - 1966///-   c1964-
CY  - New York
PB  - Arco Pub. Co.
KW  - Arithmetic
N1  - Vol. 2 illustrated by Chris Hoggett and Alison Prince
UR  - http://www.archive.org/details/letsexploremathe00mars
UR  - http://www.openlibrary.org/books/OL5991807M
ER  -