TY  - BOOK
AU  - Agrawal,R.A.
AU  - Sondhni,A.L.
TI  - Introduction to railways
U1  - 625 
PY  - 1958///
CY  - Allahabad
PB  - Saroj Prakasan
KW  - Railroad engineering
KW  - Railroads
KW  - Crossing
KW  - Sinaling
N1  - Includes index
ER  -