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- Van Manen, J.D. (author) public lecture 1962
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- Van de Woestijne, W.J. (author) public lecture 1962
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- Viersma, T.J. (author) public lecture 1962
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- Roorda, H.J. (author) public lecture 1962
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- Brouwer, H. (author) public lecture 1962
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- De Haan, P. (author) public lecture 1962
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- Van Bueren, H.G. (author) public lecture 1962
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- Mostertman, L.J. (author) public lecture 1962
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- Slooff, F.C.W. (author) public lecture 1962
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- Meijering, J.L. (author) public lecture 1962
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- Sprenger, Th.I. (author) public lecture 1962
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- Maas, W. (author) public lecture 1962
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- Erdmann, S.F.A.H.P. (author) public lecture 1962
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- Prins, W. (author) public lecture 1962
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- De Jong, D. (author) public lecture 1961
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- Van den Burg, F.A.W. (author) public lecture 1961
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- Taub, J. (author) public lecture 1961
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- Latzko, L.G.H. (author) public lecture 1961
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- Wittenberg, H. (author) public lecture 1961
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- Hoekstra, J. (author) public lecture 1961