TY  - BOOK
AU  - Roy, K.P .
AU  - Bhattacharya,S C.
AU  - Hajra Choudhury,A K.
AU  - Hajra Choudhury,S K.
TI  - Elements of mechanical engineering / 
SN  - 81-85099-05-7
U1  - 621.8 
PY  - 1992///
CY  - Bombay : 
PB  - Media promoters and publishers pvt Ltd , 
N1  - * CSS
ER  -