TY - BOOK AU - Altshiller-Court, Nathan, AU - ED - ED - ED - ED - TI - : an introduction to the modern geometry of the triangle and the circle SN - 2 PY - 1952///46 CY - New York PB - Barnes & Noble KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Plane KW - Geometry, Modern N1 - 5 ER -