00382nam a2200133 a 450000500170000008200220001710000250003910000240006424500540008826000440014230000280018663000120021463000220022620251203091416.0 a620.00420285bGRO aGroover, Mikell Pd_ aZimmers, Emory Wd_ aCAD/CAM : computer-aided design and manufacturing aNew DelhibPrentice Hall of Indiac1989 axix, 489 p.c22 cm.bPB aCAD/CAM acomputer graphics