00468nam a2200181Ia 450000500170000000800410001704000190005804100120007708200150008910000250010424500560012925000120018526000310019730000110022865000180023965100190025785000100027620220125112113.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a551.4bSTR  aStrahler, Arthur N.   aExercises in physical geographycArthur N. Strahler  a2nd ed.  aNew YorkbJohn wileyc1975  a319p.   aEarth science  aGeomorphology   aLCLIB