@book{6598,
	author = {BOLTEN, Jürgen},
	title = {Marktchance Wirtschaftsdeutsch :},
	publisher = {Klett,},
	year = {1993.},
	address = {München :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=6598}
}