@article{Foerster2010, author = {Achim F{\"o}rster}, title = {Stieper, Rechtfertigung, Rechtsnatur und Disponibilit{\"a}t der Schranken des Urheberrechts, 2010}, journal = {Journal of Intellectual Property, Information Technology and E-Commerce Law}, doi = {https://www.jipitec.eu/issues/jipitec-1-2-2010/2613}, year = {2010}, }