@book{27657,
	author = {SZECHY, K.},
	title = {Tunnelbau /},
	publisher = {Springer,},
	year = {1969.},
	address = {Wien :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=27657}
}