| Titel | Offene Ökosysteme für OER |
| Publication Type | Magazine Article |
| Year of Publication | 2013 |
| Authors | Heinen, R, Kerres, M, Blees, I, Rittberger, M |
| Magazine | Hamburgs E-Learning Magazin |
| Pagination | 28-30 |
| URL | http://www.uni-hamburg.de/eLearning/eCommunity/Hamburger_eLearning_Magazin/eLearningMagazin_11.pdf |
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