@book{5200,
	author = {Maidl, Bernhard and Thewes,  Markus},
	title = {Handbook of Tunnel Engineering :},
	publisher = {Wilhelm Ernst & Sohn,},
	year = {c 2013.},
	address = {Berlin, German :},
	note = {Includes Index.},
	url = {https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/9783433603499?download=true}
}