@book{justhis3168,
           title = {Code de l'hygi{\`e}ne et de la salubrit{\'e} publiques},
          author = {Edmond Picard and Georges Delacroix},
         address = {Bruxelles},
       publisher = {Larcier},
            year = {1911},
        keywords = {environnement environment milieu sant{\'e} Gezondheid health hygi{\`e}ne Hygi{\"e}ne Hygiene law wet loi },
             url = {http://www.just-his.be/eprints/3168/}
}