@book{justhis7600,
           title = {La main d?{\oe}uvre indig{\`e}ne au Congo belge. Les probl{\`e}mes
qu?elle {\'e}voque},
          author = {Ren{\'e} Mouchet and R. Van Nitsen},
         address = {Bruxelles},
       publisher = {Imprimerie des Travaux Publics},
            year = {1940},
             url = {http://www.just-his.be/eprints/7600/}
}