@book{17339,
	author = {KRAWCZYK, Eugeniusz and TRZECIAK, Mieczysław},
	title = {Elementy nauki o pracy /},
	year = {1976.},
	address = {Kielce,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=17339}
}