00418nam a2200157Ia 45000010005000000080041000050200018000460400013000640820019000771000030000962450083001262600010002093000011002195460007002306500023002376822140320s9999    xx            000 0 und d  a0-02-322443-6  cPK-LaUMT  a 910.02bCHR-G  aChristopherson, Robert W.  aGeosystems:ban introduction to physical geography.cChristopherson, Robert W.  c1992.  a616 p.  aEN  aPhysical geography