@book{justhis2314,
           title = {Droit de l'urbanisme et de l'environnement},
          author = {Jacques De Suray},
         address = {Bruxelles},
       publisher = {Bruylant},
            year = {1989},
        keywords = {law wet loi environnement    environment    milieu construction    construction    bouw

},
             url = {http://www.just-his.be/eprints/2314/}
}