TY  - BOOK
AU  - Backman,Carl A.
AU  - Carl A.Backman; Cromie,Robert G
TI  - Introduction to concepts of geometry
SN  - 0134796837
PY  - 1971///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Geometry
ER  -