@book{47247,
	author = {ADAMCZEWSKI, Adam. and PISZEK, Edward J.},
	title = {Nicolaus Copernicus and his epoch /},
	publisher = {Copernicus Society of America,},
	year = {[ca 1980].},
	address = {Philadelphia, Pa ; Washington D.C. :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=47247}
}