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- De Man, J.C. (author) doctoral thesis 1957
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- Van der Walt, J.P. (author) doctoral thesis 1952
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- Verhoeven, W. (author) doctoral thesis 1952
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- Schnellen, C.G.T.P. (author) doctoral thesis 1947
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- Rottier, P.B. (author) doctoral thesis 1942
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- Smits van Waesberghe, F.A.M.J. (author) doctoral thesis 1941
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- Custers, M.T.J. (author) doctoral thesis 1940
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- Perquin, L.H.C. (author) doctoral thesis 1938
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- Schouwenburg, K.L. van (author) doctoral thesis 1938
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- Hoogerheide, J.C. (author) doctoral thesis 1935
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- Van den Berge, J. (author) doctoral thesis 1934
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- Mees, R.H. (author) doctoral thesis 1934
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- Kingma Boltjes, T.Y. (author) doctoral thesis 1934
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- Elema, B. (author) doctoral thesis 1932
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- Baars, J.K. (author) doctoral thesis 1930
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- Van der Lek, J.B. (author) doctoral thesis 1930
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- Holwerda, K. (author) doctoral thesis 1929
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- Scheffer, M.A. (author) doctoral thesis 1928
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- Van Niel, C.B. (author) doctoral thesis 1928
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- Sloep, A.C. (author) doctoral thesis 1928
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