TY  - BOOK
AU  - Siegal , Martin J  .
AU  - Hartman,James B  .
AU  - Mallev,Vladimir L  .
TI  - Mechanical design of machines / 
U1  - 621.815 
PY  - 1986///
CY  - New Delhi : 
PB  - C B S Publishers & Distributers , 
ER  -