@book{50582,
	author = {BURCKHARDT, Jacob},
	title = {Weltsgeschichtliche Betrachtungen /},
	publisher = {Ullstein Bücher,},
	year = {???.},
	series = {Ullstein Buch ;},
	address = {Frankfurt am Main :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50582}
}