@book{20234,
	author = {AHUJA, T.D. / BIRDI, G. S},
	title = {ROADS, RAILWAYS, BRIDGES AND TUNNELS ENGINEERING},
	publisher = {STANDARD BOOK HOUSE RAJSONS PUBLICATIONS (P) LTD },
	year = {1967 R.P.2017},
	note = {RBPPL82048/21-22}
}