TY  - BOOK
AU  - Posamentier,Alfred S.
AU  - Sheridan,Gordon
ED  - Addison-Wesley
TI  - Math motivators: investigations in geometry 
SN  - 020105583X
U1  - 516 23
PY  - 1982///.
CY  - California: 
PB  - Addison-Wesley, 
KW  - Geometry
KW  - Study and teaching
ER  -