@book{5100,
	author = {Archenhold Sternwarte Berlin-Treptow and Archenhold, Friedrich Simon},
	title = {Kleine Mitteilungen},
	publisher = {Willy Iszdonat},
	year = {1935},
	address = {Berlin O 17},
	url = {https://www.astw.de/publikationen/weltall/pdf/weltall_jg_34.pdf}
}