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1
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2
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3Published 1923Subjects: “…Statistiek (discipline)…”
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4Subjects:TEXT
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6
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7
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8Published 1948Subjects: “…Statistiek (discipline)…”
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10Published 1928Subjects:TEXT
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13Published 1925Subjects: “…Statistiek (discipline)…”
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14Published 1925Subjects:TEXT
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15