TY  - BOOK
AU  - Ullman, David G.
TI  - The Mechanical Design Process 
SN  - 9780071122818
U1  - 621.815 
PY  - 2003///
CY  - Boston : 
PB  - McGraw-Hill, 
KW  - Machine Design
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/978-0-07-112281-8.pdf
ER  -