@book{justhis1990,
           title = {Les institutions et les sources du droit},
          author = {Etienne Cerexhe and Jean-Louis Van Boxstael},
         address = {Bruxelles},
       publisher = {Bruylant},
            year = {1992},
        keywords = {pouvoir judiciaire judicial power rechterlijke macht law wet loi Constitution Grondwet "gerechtelijke pyramide" "judicial pyramid" "pyramide judiciaire"},
             url = {http://www.just-his.be/eprints/1990/}
}