?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Houben%2C+Vincent&rft.aulast=Houben&rft.aufirst=Vincent&rft.date=2013&rft.title=(Un)freedom.+Colonial+labour+relations+in+Belgian+Congo+and+the+Netherlands+Indies+compared&rft.btitle=Colonial+Exploitation+and+Economic+Development.+The+Belgian+Congo+and+the+Netherlands+Indies+Compared&rft.genre=bookitem