TY  - BOOK
AU  - Godfrey, C.
AU  - Siddons, A. W. 
TI  - Elementary geometry
U1  - 516 
PY  - 1926///
CY  - Cambridge
PB  - At The University Press., 
KW  - Geometry
KW  - Polygons
KW  - Theorem
ER  -