TY  - BOOK
AU  - Lockhart, Shawna
TI  - Tutorial Guide to AutoCAD 2020: 2D Drawing, 3D Modeling 
SN  - 9781630572761
U1  - 620.0042,LOC 
PY  - 2019///
CY  - SDC
PB  - USA
KW  - AutoCAD 2020
ER  -