search query: @author Schippers, J. J. / total: 5
references: 3-5 / 5
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title | year | author | ||
3. |
Economisch Statistische Berichte
1986 : JUN 11, VOL. 71:3559, p. 576-580 |
1986 | Schippers, J. J. |
|
4. |
Economisch Statistische Berichte
1985 : MAY 1, VOL. 70:3503, p. 421-426 |
1985 | Koot-du Buy, A. H. E. B. Schippers, J. J. Siegers, J. J. |
|
5. |
Economisch Statistische Berichte
1982 : MAY 5, VOL. 67:3353, p. 452-458 |
1982 | Schippers, J. J. |
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