TY  - BOOK
AU  - India. Railway (Ministry of). R.D.S.O., Lucknow.
TI  - Commercial outlets for utilisation of coal ash /(by) India. Railways (Ministry of). Research Desings and Standards Organisation, Lucknow
U1  - 662. 
PY  - 1966///
CY  - Lucknow.
PB  - Ministry of Railways
ER  -