@book{60302,
	author = {Piotrowska, Hanna. and Kadulski, Slawomir.},
	title = {Pojezierze Kaszubskie /},
	publisher = {Wiedza Powszechna,},
	year = {1991.},
	series = {Przyroda polska},
	address = {Warszawa :},
	edition = {Wyd. 2.}
}