@book{justhis4064,
           title = {L{\'e}gislation sociale belge. Coordination officieuse (S{\'e}curit{\'e} sociale) (Minist{\`e}re du travail et de la pr{\'e}voyance sociale)},
         address = {Bruxelles},
       publisher = {Belgisch Staatsblad},
            year = {1953},
        keywords = {loi law wet social social	sociaal S{\'e}curit{\'e} sociale Social Welfare	sociale zekerheid travail	work werk arbeid},
             url = {http://www.just-his.be/eprints/4064/}
}