TY  - BOOK
AU  - Leach,James A.
AU  - Lockhart,Shawna D.
TI  - AutoCAD 2023: instructor 
SN  - 9781630574932
PY  - 2022///
CY  - United Kingdom
PB  - SDC Publications
KW  - AutoCAD
N1  - Includes index
ER  -