00285nam a2200109Ia 450000500170000000800410001705000170005810000170007524500350009226000340012765000140016120251229190550.0251229s9999    xx            000 0 und d  aQA 447 .M39   aMaxwell, E.A 0aDeductive geometry.cE Maxwell  aOxfordb Pergamon pressc1962  aGeometry.