@book{50551,
	author = {Brecht, Bertolt and GLAESER, Günter.},
	title = {Briefe :},
	publisher = {Aufbau-Verlag,},
	year = {1983},
	address = {Berlin :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50551}
}