@book{justhis7758,
          volume = {9},
           title = {Guide pratique hygi{\'e}nique et m{\'e}dical du voyageur au Congo},
          author = {Gustave Dryepondt},
         address = {Bruxelles},
       publisher = {Van Campenhout},
          series = {Publications de l'Etat ind{\'e}pendant du Congo},
             url = {http://www.just-his.be/eprints/7758/}
}