@book{26940,
	author = {BELECKIJ, V. V. and Bielecki, W. W.},
	title = {Szkice o ruchach ciał niebieskich /},
	year = {1976.},
	series = {Biblioteka Problemów ;},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=26940}
}