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- Derks, H. (author) report 1985
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- Derks, H. (author) report 1982
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- Derks, H. (author) report 1982
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- Derks, H. (author) report 1972
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Derks, H. (author)Resultaten proeven met de Zinkcon mat in de stroomgoot in Lith op ware grootte.report 1972