@book{27633,
	author = {ZEEWAERT, Leonardo},
	title = {Foundation engineering for difficult subsoil conditions /},
	publisher = {Van Nostrand Reinhold,},
	year = {1973.},
	address = {New York :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=27633}
}