TY - BOOK AU - Guggenheimer,Heinrich W. TI - Plane geometry and its groups T2 - Holden-Day series in mathematics AV - QA474 .G8 U1 - 513/.1 PY - 1967///] CY - San Francisco PB - Holden-Day KW - Geometry, Plane KW - Local KW - Groups, Theory of N1 - Bibliography: p. 266-267 ER -