00402nam a2200133Ia 4500008004100000082001600041100001700057245006000074260004800134300000800182650001800190650004200208653001800250170901s1982    xx            000 0 und d  a551.4bS33P  aSharma, H.S. 0aPerspectives in GeomorphologybApplied in Geomorphology  aNew DelhibConcept Publishing Companyc1982  a320  aPure Sciences  aScience of the earth and other worlds  aGeomorphology