Treatise on Belgian constitutional law / ed. by André Alen ; principal authors André Alen ... [et al.] ; other authors Patrick Peeters ... [et al.]Mediawetgeving : algemeen normatief kader : administratieve en technische normen i.v.m. tele- en radioverbindingen / [samengest. door] Jan De Groof, Patrick Peeters, Jan Vermeire