@book{2844,
	author = {Vazirani, V. N. and Chandola, S.P.},
	title = {Railways, bridges and tunnels /},
	publisher = {Khanna Publishers.,},
	year = {c1997},
	address = {Delhi :},
	edition = {4th ed.},
	note = {"A Wiley-Interscience publication."}
}
