TY  - BOOK
AU  - Beckwith, Thomas G & others 
TI  - Mechanocal mesurements 
SN  - 978-81-317-1718-9 
U1  - 620.004 BEC  
PY  - 2007///
CY  - Pearson education of asia 
PB  - New Delhi 
KW  - MECHANICHAL
ER  -