%0 Book %A Střelický, Jiří %I CERGE-EI %D 2011 %C Prague %G English %B Working paper series (CERGE-EI) %@ 978-80-7343-236-2 %@ 978-80-7344-226-2 %@ 1211-3298 ; %T Intellectual property rights protection and enforcement in a software duopoly