TY  - BOOK
AU  - French, Thomas Ewing
AU  - Helsel, Jay D.
AU  - Svensen, Carl L.
TI  - Mechanical Drawing Cad Communications 
SN  - 0070223378
U1  - 604.2 
PY  - 1997///
CY  - New York : 
PB  - Glencoe/McGraw-Hill, 
KW  - Mechanical Drawing
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-07-022337-8.pdf
ER  -