00317nam a2200109Ia 4500008004100000040003800041100001400079245003600093260004100129300001900170653001800189211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aHart, M G 0aGeomorphology: pure and applied  bGeorge Allen and unwinaLondonc1986  axviii, 228p p.  aGeomorphology