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Die Stellung der Hauptstadt San Juan in der Territorialstruktur der Wirtschaft Puerto Ricos
Severino Valdez, Carlos E., (1993)
The relation systems of metropolitan areas : comparative analyses of capital city regions by the example of Budapest, Székesfehérvár, Tatabánya in Hungary and of Paris and Sens in France
Baráth, Gabriella, (2009)
Dörfer und Städte
Mayr, Alois, (2003)
Design of a development pole in Malaysia : planning in a pluriethnic society
Baeyens, Herman, (1981)