@inbook {Aprin_2019,
	title = {SALMON: Sharing, Annotating and Linking Learning Materials Online},
	booktitle = {Lecture Notes in Computer Science},
	year = {2019},
	pages = {250{\textendash}257},
	publisher = {Springer International Publishing},
	organization = {Springer International Publishing},
	doi = {10.1007/978-3-030-35758-0_23},
	url = {https://doi.org/10.1007\%2F978-3-030-35758-0_23},
	author = {Farbod Aprin and Sven Manske and H. Ulrich Hoppe}
}
