TY - RPRT AU - Poort, J. PY - 0726 DA - 2011-07-26 T1 - Assessing the economic contribution of the copyright-based industries UR - http://www.seo.nl/uploads/media/2010-63_Assessing_the_Economic_Contribution_of_the_Copyright-Based_Industries.pdf K1 - Auteursrecht K1 - Intellectuele eigendom ER -