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- Cohen, Hirsh (author), Tu, Yih-O (author) report
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- Cohen, M. (author) report 1968
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Schippers, J.C. (author), Cohen, E.E. (author)Document(en) uit de collectie Chemische Procestechnologiereport 1965
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- Cohen, Hirsh (author) conference paper 1958
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- Cohen, Hirsh (author), Gilbert, Robert (author) report 1956
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- Cohen, J.W. (author) doctoral thesis 1955
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- Cohen, J.W. (author) doctoral thesis 1955