Omura, George.
Mastering autoCAD release 11. - San Francisco : Sybex, 1991. - 4th ed. 931p., index, ill. ; cm.
9780895887160
Autocad.
TA385.O57
Mastering autoCAD release 11. - San Francisco : Sybex, 1991. - 4th ed. 931p., index, ill. ; cm.
9780895887160
Autocad.
TA385.O57