TY  - BOOK
AU  - Ruchlis, Hyman.
CN  - QA11
CN  - QA11
CY  - Brooklyn, New York,
DA  - c1968.
ID  - 18534
KW  - Mathematics.
KW  - Geometry.
KW  - Shapes.
PB  - Book-Lab,
PP  - Brooklyn, New York,
PY  - c1968.
SN  - 875940153
T1  - Math projects:mathematical shapes,
TI  - Math projects:mathematical shapes,
ER  -