@book{48,
	author = {Âvorskij, Boris Mihajlovič},
	title = {Kurs fizyki.},
	publisher = {Państwowe Wydawnictwo Naukowe,},
	year = {1974.},
	address = {Warszawa :},
	edition = {Wydanie 4.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=48}
}