00281nam a2200109Ia 4500008004100000041000800041082001900049100002100068245003600089260003800125300000800163211209s1988    xx            000 0 und d  aeng  a604.24 N88 THO  aTHOMAS, ROBERT M  aADVANCED TECHNIQUES IN AUTOCAD   aNEW DELHIbBPB PUBLICATIONSc1988  a409