Georgios Stylios Dimitrios Tsolis Intellectual Property Rights Protection in Peer to Peer Networks. 171-178 2009 e-Democracy https://doi.org/10.1007/978-3-642-11631-5_16 http://eudl.eu/doi/10.1007/978-3-642-11631-5_16 conf/edemocracy/2009 db/conf/edemocracy/edemocracy2009.html#StyliosT09