@book{1776,
	author = {Adelsberger, H. H.},
	title = {Handbook on information technologies for education and training},
	publisher = {Springer Publishing Company},
	year = {2008},
	address = {Heidelberg},
	edition = {2nd},
	url = {https://libgen.is/book/index.php?md5=020C2F552E18B3439DE0C094D32DCC9D}
}