00289nam a2200085Ia 4500008004100000040003800041100002400079245006100103260003900164211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aMorrill, Richard L. 0aMigrartion and The Spread and Growth of Urban Settlement  bC.W.K.GleerupaLund(Sweden )c1965