@book{28059,
	author = {KERSTEN, R.},
	title = {Das Reduktionsverfahren der Baustatik /},
	publisher = {Springer-Verlag,},
	year = {1982.},
	address = {Berlin :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=28059}
}