1000 autocad tips & tricks / George O. Head & Jan Doster Head.-3rd ed.
Head, George O
1000 autocad tips & tricks / George O. Head & Jan Doster Head.-3rd ed. - Chapel Hill, NC : Ventana Press, C1993. - xlix, 686 p. : ill. ; 24 cm.
1566040078
Systems engineering-mathematical models
620.0042 HEA
1000 autocad tips & tricks / George O. Head & Jan Doster Head.-3rd ed. - Chapel Hill, NC : Ventana Press, C1993. - xlix, 686 p. : ill. ; 24 cm.
1566040078
Systems engineering-mathematical models
620.0042 HEA