TY - JOUR AU - Berger, Christian PY - 2010/03/02 Y2 - 2024/03/28 TI - Copyleft statt Copyright? JF - Medienimpulse JA - mi VL - 47 IS - 1 SE - Praxis und Unterricht DO - 10.21243/mi-01-09-11 UR - https://journals.univie.ac.at/index.php/mp/article/view/mi101 SP - AB - ER -