Advanced AutoCAD :
Thomas,Robert M.
Advanced AutoCAD : release 12 Robert M. Thomas - 3rd ed. - New Delhi : BPB Publications, 1993. - xxii, 485 p. : ill. ; 23 cm.
AutoCAD
Advanced AutoCAD : release 12 Robert M. Thomas - 3rd ed. - New Delhi : BPB Publications, 1993. - xxii, 485 p. : ill. ; 23 cm.
AutoCAD