00523nam 2278416 450000100060000000300230000600500090002900800410003808200110007907200110009002000180010110000230011926000220014224500210016465000110018565000140019665000190021065000240022965000100025365000180026365000140028178416StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a516.16 aangles a0-8445-1842-5 akenneth j. travers bpublishers c1987 alaidlaw geometry aangles atriangles aand congruence acongruent triangles alines aanges. planes aand space