@incollection{justhis7540,
          author = {Vincent Houben and Julia Seibert},
       booktitle = {Colonial Exploitation and Economic Development. The Belgian Congo and the Netherlands Indies Compared},
          editor = {Ewout Frankema and Frans Buelens},
         address = {Londres},
           title = {(Un)freedom. Colonial labour relations in Belgian Congo
and the Netherlands Indies compared},
       publisher = {Routledge},
           pages = {178--192},
            year = {2013},
             url = {http://www.just-his.be/eprints/7540/}
}