TY  - BOOK
AU  - Lockhart,Shawna D.
TI  - Tutorial guide to AutoCAD 2020
SN  - 9781630572761 (pbk.)
U1  - 620.00420285 22
PY  - 2019///
CY  - Mission
PB  - SDC Publications
KW  - Computer graphics
KW  - Three-dimensional display systems
N1  - Includes index
ER  -