Show 15 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: parent exact "POLICY AND INTERNET" Add to list Journal Article A4 Blocking or removing illegal child sexual content: analysis from a technical and legal perspective Karel Demeyer, Eva Lievens (UGent) and Jos Dumortier (2012) POLICY AND INTERNET. 4(3-4). p.1-23