{"id":"001531432","type":"article","title":"Zum Systemcharakter der Regionalen Geographie","publisher-place":"Potsdam","pages":"369-378","container-title":"Wissenschaftliche Zeitschrift der Pädagogischen Hochschule Potsdam. Sektion Sportwissenschaft/Geographie, Jahrgang 15 (1971), Heft 3","author":[{"family":"Gellert","given":"Johannes F."}],"issued":{"raw":"1971"}}