@book{20642,
	author = {Gasparski, Wojciech},
	title = {Elementy logiki, semiotyki i metodologii projektowania :},
	year = {1979.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=20642}
}