@article {44775,
	title = {Helge Backlund in memoriam},
	journal = {Bulletin of the Geological Institutions of the University of Uppsala},
	volume = {38},
	year = {1960},
	pages = {I{\textendash}XIX},
	url = {https://paleoarchive.com/literature/Ahman1960-HelgeBacklundInMemoriam.pdf},
	author = {Erik {\r A}hman}
}
