@book{23859,
	author = {BĄK, Bogusław.},
	title = {Fosfor-P2O5 /},
	publisher = {Wydaw-a Geologiczne,},
	year = {1987.},
	series = {Surowce Mineralne Świata},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23859}
}