00367nam a2200133Ia 4500008004100000020002200041041001200063100001700075245006800092260003300160300000800193650001600201700001600217221220s9999    xx            000 0 und d  a978-9383-18-29-23  aEnglish  aS. C. Saxena 0aRailway Engineering - A Text Bookcby S. C. Saxena, S. P. Arora  bDhanpat RaiaNew Delhic2021  a395  aBE Computer  aS. P. Arora