@article {45361,
	title = {Carl Troll {\textendash} Naturforscher und Geograph},
	journal = {Erdkunde},
	volume = {30},
	year = {1976},
	pages = {1-9},
	url = {https://www.erdkunde.uni-bonn.de/archive/1976/carl-troll-naturforscher-und-geograph/},
	author = {Wilhelm Lauer}
}
