TY  - BOOK
AU  - Head,George O.
AU  - Pietra,Charles A.
AU  - Segal,Kenneth J.L.
ED  - Charles A. Pietra, Kenneth J.L. Segal.
TI  - The AutoCAD 3D book
SN  - 0940087677 :
AV  - T385 .H373 1991
U1  - 620.0042 HEA'A 20
PY  - 1991///
CY  - Chapel Hill, NC
PB  - Ventana Press
KW  - AutoCAD
N1  - "For releases 10 and 11"--Cover; Includes index
ER  -