TY  - BOOK
AU  - Tuller,Annita
TI  - A modern introduction to geometries
U1  - 513 
PY  - 1967///]
CY  - Princeton: 
PB  - N. J. Van Nostrand , 
KW  - Geometry, Modern
KW  - Geometry, Non-Euclidean
N1  -  Includes bibliographical references ( p.189-190.)
ER  -