@book{justhis5821,
           title = {Beginselen van het handelsrecht},
          author = {W. Calewaert and J. Van Goethem and G. Van Rompu},
         address = {Anvers},
       publisher = {Kluwer},
            year = {1957},
             url = {http://www.just-his.be/eprints/5821/}
}