@book{justhis6007,
           title = {Handelspraktijken, dienstmerken, ambulante handel},
          author = {H. Swennen},
         address = {Anvers},
       publisher = {Kluwer Rechtswetenschappen},
            year = {1989},
             url = {http://www.just-his.be/eprints/6007/}
}