@book {Ohlert1886,
	title = {R{\"a}tsel und Gesellschaftsspiele der alten Griechen},
	year = {1886},
	publisher = {Mayer \& M{\"u}ller},
	organization = {Mayer \& M{\"u}ller},
	address = {Berlin},
	url = {https://archive.org/details/bub_gb_6ceHyCWzSt4C},
	author = {Ohlert, Konrad}
}
