Yaglom, I.M. A Simple Non-Euclidean Geometry and Its Physical Basis : An Elementary Account of Galilean Geometry and the Galilean Principle of Relativity / by I.M. Yaglom - New York: New York Heidelberg Berlin, 1979. - xii, 307p.; ISBN: 038790332 Dewey Class. No.: 516.9 / YAG/A