TY  - BOOK
AU  - Narayancharyulu,D.A.
AU  - Ramachandra,S.
AU  - Sundaram,K.V.
ED  - Central Mining Research Station
TI  - Scientific study of the strength of timber props used in Indian mines
U1  - 622.(54) 
PY  - 1967///
CY  - Dhanbad
PB  - Central Mining Research Station
ER  -