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Some European economic developments
Klaassen, Leonardus Hendrik - 1986
Persistent link: https://www.econbiz.de/10011523784
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Energy, environment and regional development
Klaassen, Leo H. - 1975
Persistent link: https://www.econbiz.de/10002227086
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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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Economic cycles, spatial cycles and transportation structures in urban areas
Berg, Leo van den; Klaassen, Leo H. - 1984
Persistent link: https://www.econbiz.de/10001898676