@book {hopfner_outpost_2011,
	title = {Outpost of Progress},
	year = {2011},
	note = {KM H{\"o}pfner 2011},
	publisher = {Spector Books},
	organization = {Spector Books},
	address = {Leipzig},
	isbn = {978-39400641439},
	author = {H{\"o}pfner, Michael}
}
