@book{552855,
	author = {Walker, Thomas Andrew,},
	title = {The Severn tunnel},
	publisher = {R. Bentley & Son,},
	year = {1890},
	series = {The making of the modern world. Part 2 (1851-1914)},
	address = {London :},
	edition = {2nd ed.},
	note = {Reproduction from the The Goldsmiths' Library of Economic Literature, Senate House Library, University of London.},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio9689726}
}