TY  - BOOK
AU  - Heath, Thomas L. 
TI  - The thirteen books of Euclid's elements: With introducton and commentary Vol.1  
U1  - 516.2 
PY  - 1956///
CY  - New York
PB  - Dover publications
KW  - Mathematics
KW  - Geometry
KW  - Propositions
ER  -