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Festschrift für Wigand Ritter : zum 60. Geburtstag
Ruppert, Heinz-Rasso P. (ed.); Ritter, Wigand (honouree);  … - 1993
Persistent link: https://www.econbiz.de/10013209721
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Bevölkerungsballungen : Analyse und Vergleich am Beispiel der Randstad Holland, der Rhein-Ruhr-Ballung und der Rhein-Main-Neckar-Ballung
Ruppert, Heinz-Rasso P. - 1973
Persistent link: https://www.econbiz.de/10011280637
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Qatar : ein arabisches Erdölemirat
Ritter, Wigand - 1985
Persistent link: https://www.econbiz.de/10000008293
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Arabian Gulf studies
Ritter, Wigand (contributor) - 1985
Persistent link: https://www.econbiz.de/10000095154
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Arabian Gulf studies ; 1
Ritter, Wigand (contributor) - 1985
Persistent link: https://www.econbiz.de/10000095155
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Regional planning in the Arab Gulf region : concepts and realities
Ritter, Wigand - In: Proceedings / Conference on Industrial and …, (pp. 139-166). 1988
Persistent link: https://www.econbiz.de/10001275353
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The fuelwood crisis : re-emergence of an old problem
Ritter, Wigand - In: Applied geography and development : a biannual … 35 (1990), pp. 63-76
Persistent link: https://www.econbiz.de/10001084506