TY  - BOOK
AU  - Gupta, H. C.
AU  -  Malhotra, D. R.
TI  -  Dynamics of machinery theory of machines / 
AV  - TJ 170  .M3
PY  - 1981///
CY  - New Delhi
PB  -  Saunders College Publishing, 
KW  - Mechanical engineering and machinery
ER  -