@book{21531,
	author = {ZIELIŃSKI, Zygmunt},
	title = {Metody analizy dynamiki i rytmiczności zjawisk gospodarczych /},
	year = {1979.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21531}
}