TY  - GEN
AU  - Budynas, Richard G 
AU  - Nisbett, J Keith  
TI  - Shigley’s mechanical engineering design /9th ed. 2013 
SN  - 0-07-118186-5
PY  - 2013///
CY  - New Delhi 
PB  - Mc Graw Hill
KW  - 621.9.06
KW  - Machine design
ER  -