@book{51451,
	author = {PIWNIK, Stanisław},
	title = {Prawo pracy materialne :},
	publisher = {C. H. Beck,},
	year = {2000.},
	series = {Warszawski Zbiór Pism ;},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=51451}
}