TY  - BOOK
AU  - Ringwala,S.C.
TI  - Principles of railway engineering: a basic text-book for engineering students 
U1  - 625.163 22
PY  - 1964///
CY  - Anand, India
PB  - Charotar Book Stall
KW  - Railroad engineering
N1  - Includes bibliographical references and index
ER  -