@book{19580,
	author = {PESZKO, Stanisław and ŚWIĄTKIEWICZ, Barbara},
	title = {Metody badania wydajności pracy /},
	year = {1980.},
	address = {Szczecin,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19580}
}