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Verhoef, M. (author)Document(en) uit de collectie Chemische Procestechnologie.technical drawing 1939
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Schepers, G.H.R. (author)Document(en) uit de collectie Chemische Procestechnologietechnical drawing 1939
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Van den Bergh, T.P. (author)Document(en) uit de collectie Chemische Procestechnologie.technical drawing 1939
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Pfanth, J.M. (author)Document(en) uit de collectie Chemische Procestechnologie.technical drawing 1939
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van Veen, J. (author)Study on the relation between climate change and ice cover in the Dutch rivers since 1879.report 1939
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van Veen, J. (author)Description of instruments to measure sediment transport.report 1939
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- Lewis, Frank M. (author) conference paper 1939
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- report 1939
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- conference paper 1939
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- Rothe, Rudolf (author) book 1939
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- Scheffer, L.S.P. (author) report 1939
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- Sretenski, L.N. (author) book 1939
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- contribution to periodical 1939
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- journal article 1939
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- journal article 1939
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- Havelock, Th.H. (author) book 1939
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- Rahola, Jaakko (author) book 1939
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- book 1939
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- Heertjes, P.M. (author) doctoral thesis 1938
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- Van Vlodrop, C. (author) doctoral thesis 1938