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- Hoekstra, F.D. (author) other 1986
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- Hoekstra, Tj. (author) report 1981
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- Hoekstra, M. (author) report 1981
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- Hoekstra, Martin (author) report 1980
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- Hoekstra, Martin (author) report 1977
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- Hoekstra, Martin (author) conference paper 1977
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- Hoekstra, Martin (author) conference paper 1974
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- Hoekstra, Martin (author) report
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