TY  - BOOK
TI  - AutoCAD 2020 instructor: a student guide for in-depth coverage of AutoCAD's commands and features 
SN  - 9781630572570
U1  - C 620.004 L434 2019 
PY  - 2019///
CY  - Mission, KS
PB  - Sdc Publications
N1  - Includes appendices, index
ER  -