00357nam a2200169Ia 450000500170000000800410001702200090005802400070006705000170007407400120009124500240010326000110012726000180013826000060015694200060016299900190016820250523171446.0250508s9999    xx            000 0 und d  a4472  qGM  a01GM          a1004472 0aGeological Magazine  aLondon  bDawson & sons  c0  c2  c608225d608225