TY  - BOOK
AU  - Cohn, David S.
AU  - Cohn, David S.
TI  - AutoCAD 2000 :  the complete reference    
SN  - 9780072122411
AV  - 620.004202 COH 2000 
U1  - 620.004202 COH 2000 
PY  - 2000///
CY  - New Delhi
PB  - McGraw-Hill
KW  - Mechanical Engineering
ER  -