@book{18993,
	author = {LWOWICZ, M. I.},
	title = {Zasoby wodne świata /},
	publisher = {PWN,},
	year = {1979.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18993}
}