@book{31829,
	author = {KREBS, Charles J. and KOZAKIEWICZ, Anna.},
	title = {Ekologia :},
	publisher = {Wydaw. Naukowe PWN,},
	year = {1997.},
	address = {Warszawa :},
	note = {Oryg. : "Ecology" 1994.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=31829}
}