@book{justhis6300,
           title = {Kleine nalatenschappen. Aanvullingen en wijzigingen (A.P.R.)},
          author = {J. De Zegher},
         address = {Bruxelles},
       publisher = {Larcier},
            year = {1955},
             url = {http://www.just-his.be/eprints/6300/}
}