TY  - BOOK
AU  - Base, S K .
AU  - Bhattacary,S.C  .
AU  - Hajra Choundhury,A K  .
TI  - Elements of worshop technology / 
U1  - 621.9 
PY  - 1985///
CY  -  : 
PB  - Media promoters &Pub.Ltd , 
ER  -