@book{11514,
	author = {Jašík, Rudolf and Petrík, Vladimír},
	title = {Čierne a biele kruhy},
	editor = {Pravda},
	publisher = {Tatran},
	year = {1990},
	series = {Hviezdoslavova knižnica},
	address = {Bratislava},
	edition = {2., vyd.}
}