@book{29020,
	author = {Szymkiewicz, Elżbieta and Szymkiewicz, Marian and Muzeum Warmii i Mazur (Olsztyn)},
	title = {Muzeum Przyrody w Olsztynie :},
	publisher = {Muzeum Warmii i Mazur,},
	year = {2017.},
	address = {Olsztyn :}
}