TY  - BOOK
AU  - Eingenberg, Lawrence A.
AU  - 
TI  - Informal geometry
U1  - 513 
PY  - 1967///
CY  - New York
PB  - Wiley Eastern
KW  - Mathematics
KW  - Number theory
KW  - Set theory
KW  - Group theory
KW  - Algebra
KW  - Probabilities
KW  - Modern algebra
KW  - Boolean algebra
KW  - Geometry
ER  -