@article {5981,
	title = {Machbarkeitsstudie zum Aufbau und Betrieb von OER-Infrastrukturen in der Bildung},
	year = {2016},
	institution = {DIPF},
	address = {Frankfurt},
	keywords = {OER},
	doi = {urn:nbn:de:0111-pedocs-117154},
	url = {http://www.pedocs.de/frontdoor.php?source_opus=11715},
	author = {Ingo Blees and Hirschmann, Doris and K{\"u}hnlenz, Axel and Rittberger, Marc and Schulte, Jolika and Cohen, Nadia and Massar, Tamara and Heinen, Richard and Michael Kerres and Scharnberg, Gianna and Khenkitisak, Phoutsada}
}
@article {3289,
	title = {Unterricht gestalten mit digitalen Bildungsmedien. Bildungsressourcen in informationell  offenen {\"O}kosystemen},
	journal = {Computer + Unterricht},
	year = {2014},
	month = {02/2014},
	pages = {12-15},
	keywords = {OER, Social Bookmarking},
	url = {http://www.friedrich-verlag.de/go/DF85FF55D28841E896554DD8731AB5E2},
	author = {Heinen, Richard and Michael Kerres and Ingo Blees}
}
@article {3159,
	title = {Edutags {\textendash} Digitale Lernresourcen sammeln und teilen},
	year = {2013},
	month = {07/2013},
	keywords = {OER, Social Bookmarking},
	url = {http://www.digital-lernen.de/nachrichten/diverses/artikel/edutags-digitale-lernresourcen-sammeln-und-teilen.html},
	author = {Heinen, Richard and Ingo Blees}
}
