00290nam a2200109Ia 4500008004100000020001800041040002900059050002200088100001900110245002300129260002800152221221s9999    xx            000 0 und d  a0-314-91837-X  cChuka University Library  aGB 54.5bS36 1992  aScott,Ralph .C 0aPhysical geography  aW.p co;bNew yorkc1992