00392nam a2200169Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001500096100002100111245002600132260003900158300000900197650001600206OSt20260225161755.0250729s1990    xx            000 0 und d  a978-1438012117  cAL  aeng  a516.2 LAWG  aLawerence s Leff  aGeometry the easy way  aNewyorkbBarrons Educationalc1990  a362p  aMathematics