TY  - BOOK
AU  - Gindis,Elliot J.
AU  - Kaebisch,Robert C.
TI  - Up and running with autocad 2021: 2d and 3d drawing, design and modeling 
SN  - 9780128231173
AV  - T385.G56  
PY  - 2020///
CY  - Cambridge
PB  - Elsevier
N1  - Includes an index and an appendix
ER  -