Wohlers, Terry T.. Applying autoCAD : a step-by-step approach. AutoCAD Release 13 for DOS / Terry T. Wohlers - 7th. ed. - New York, N.Y. : Glencoe , 1996 - xxiii, 821 p. : il. ISBN: 02026771446 Subjects--Topical Terms: DISEŅO ASISTIDO POR COMPUTADORA AUTOCAD Universal Decimal Class. No.: 004.4 W846a7