TY  - BOOK
AU  - Head,George O.
AU  - Pietra,Charles A.
AU  - Segal,Kenneth J.L.
TI  - The AutoCAD 3D book
SN  - 0940087189
U1  - 620/.00425/02855369 20
PY  - 1989/// [Reprinted 1990]
CY  - New Delhi, Chapel Hill, N.C.
PB  - Galgotia Publications, Ventana Press
N1  - Includes index
ER  -