TY  - BOOK
AU  - Sengupta,T.K.
AU  - Roy,P.R.
ED  - Central Mining Research Station
TI  - Performance study of indigenous mine winding ropes
U1  - 622.(54) 
PY  - 1968///
CY  - Dhanbad
PB  - Central Mining Research Station
N1  - Include bibliography-p.35
ER  -