00284nam a2200085Ia 4500008004100000100004600041245007100087260003200158300000800190201231s9999    xx            000 0 und d  aAlexandersson, Gunnar and Norstrom, Goran 0aWorld Shipping : An Economic Geography of Ports and Seaborne Trade  aNew YorkbJohn Wiley & Sons  a507