TY  - BOOK
ED  - Milton Keynes. Open University Press
TI  - Geometry
SN  - 0335170676
U1  - 511.5 
PY  - 1981///
CY  - Milton Keynes
PB  - Open University Press
KW  - Geometry
KW  - Graph theory -- Applications
N1  - Unit 13
ER  -