search query: @author Schortinghuis-Sprangers, R. A. / total: 1
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| title | year | author | ||
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Economisch Statistische Berichte
1986 : JAN 21, VOL. 72:3590, p. 80-84 |
1986 | Raaij, W. F. van Schortinghuis-Sprangers, R. A. |
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