00337nam a2200109Ia 4500008004100000020001800041040002900059050002300088100001800111245006700129260003100196221221s9999    xx            000 0 und d  a0-471-11299-2  cChuka University Library  aGB 54.5bS78 1996   aStrahler,Alan 0aPhysical Geography:Science and system of the human environment  aJohn wileybNew yorkc1996