00353nam a2200133Ia 4500008004100000020001700041040002900058050002200087100001900109245003100128260003800159942000700197999001500204230107s9999||||xx |||||||||||||| ||und||  a0471-23800-7  cChuka University Library  aGB 54.5bS78 1997  aStrahler ,Alan 0aPhysical geography:science  aJohn wiley & sonsbNew yorkc1997  cBK  c8837d8837