@book{4662,
	author = {Archenhold Sternwarte Berlin-Treptow and Archenhold, Friedrich Simon},
	title = {Kleine Mitteilungen},
	publisher = {Wilhelm Grewe},
	year = {1929},
	address = {Berlin SW 68},
	url = {https://www.astw.de/publikationen/weltall/pdf/weltall_jg_28.pdf}
}