TY  - BOOK
AU  - Allen,Frank B.
TI  - Geometry: teacher's commentary 
AV  - QA453.G46 T4 1965
PY  - 1965///
CY  - California
PB  - School Mathematics Study Group
KW  - Geometry
KW  - Study and teaching
N1  - Part I; Unit 15 --; Part II; Unit 16
ER  -