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Qualität des Verkehrs
Klaassen, Leonardus Hendrik - 1973
Persistent link: https://www.econbiz.de/10003602025
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Social well-being and public transport
Klaassen, Leo H. - 1983
Persistent link: https://www.econbiz.de/10002229408
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Prosperity and well-being : a plea for "attainadle ends"
Klaassen, Leo H.; Botterweg, Teun H. - 1974
Persistent link: https://www.econbiz.de/10002228803
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Urban planning and its impact on the quality of urban life in European cities
Klaassen, Leo H. - 1972
Persistent link: https://www.econbiz.de/10002229897