@inbook {45364,
	title = {Ann{\"a}herungen. Carl Troll (1899{\textendash}1975) {\textendash} Wissenschaftler in der NS-Zeit},
	booktitle = {Carl Troll: Zeitumst{\"a}nde und Forschungsperspektiven. Kolloquium im Gedneken an den 100. Geburtstag von Carl Troll},
	year = {2003},
	pages = {1-99},
	address = {St. Augustin},
	url = {https://d-nb.info/1215837402/34},
	author = {Hans B{\"o}hm},
	editor = {Matthias Winiger}
}
@article {45360,
	title = {Carl Troll (24.12.1899{\textendash}21.7.1975)},
	journal = {Beitr{\"a}ge zur Geschichte der  Geographie an der Universit{\"a}t Bonn. Colloquium geographicum},
	volume = {21},
	year = {1991},
	pages = {241{\textendash}248},
	url = {https://hdl.handle.net/20.500.11811/8492},
	author = {Hans B{\"o}hm},
	editor = {Hans B{\"o}hm}
}
