TY  - BOOK
AU  - Hall,H.S.
AU  - Stevens,F.H.
TI  - A key to the exercises and examples contained in a Text-book of Euclid's elements: books I-IV 
AV  - QA 451 H34.1902
PY  - 1902///-1900
CY  - London
PB  - Macmillan
KW  - Euclides.
ER  -