TY  - BOOK
AU  - Hajra Choudhury S.K. 
AU  - Roy K.P. 
TI  - Elements of Mechanical Engineering
SN  - 7242
U1  - 620 
PY  - 1978///
CY  - Bombay
PB  - Media Promoters  Publishers Pvt. Ltd.
KW  - Engineering and allied operations620
ER  -