@book{justhis6207,
           title = {Guide pratique de l'A.S.B.L.},
          author = {L. Simonet and J.M. Dermagne and B. Paternostre},
         address = {Bruxelles},
       publisher = {Samson},
            year = {1982},
             url = {http://www.just-his.be/eprints/6207/}
}