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de Jong, H.R. (author) journal article 1976
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de Jong, Bart (author) report 1973
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de Jong, Bart (author) report 1973
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de Jong, A. (author) master thesis 1972
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de Jong, Bart (author) journal article 1970
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de Jong, Bart (author) report
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de Jong, Bart (author) doctoral thesis 1970
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de Jong, H.R. (author) journal article 1969
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de Jong, Bart (author) report 1969
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de Jong, Bart (author) report 1967
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de Jong, H.R. (author) journal article 1965
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de Jong, Bart (author) report 1965