00301nam a2200109Ia 4500008004100000022001800041040002500059082001800084100001700102245004400119260002800163240215s9999 xx 000 0 und d a0-471-40775-5 aNORSU-DumcNORSU-Dum a910/B61g/2002 aBlij, H.J De 0aGeogrpahy, Realms, Regions and Concepts bJohn Wiley & Sonsc2002