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- Walstra, D.J.R. (author) report 2008
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- Van de Graaff, J. (author), Boers, M. (author), Diermanse, F.L.M. (author), Walstra, D.J. (author), Steetzel, H.J. (author) report 2007
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Van de Graaff, J. (author), Van Gent, M.R.A. (author), Boers, M. (author), Diermanse, F.L.M. (author), Walstra, D.J. (author), Steetzel, H.J. (author)De TAW Leidraad Duinafslag van 1984 is vervangen door dit Technisch Rapport Duinafslag 2006 (TRDA2006). De hoofdreden daarvoor is dat er indertijd bij het opstellen van de Leidraad 1984 niet voldoende rekening is gehouden met het effect dat de golfperiode heeft op de mate van duinafslag. Metingen van golfkarakteristieken hebben inmiddels laten...report 2007
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- Walstra, D.J.R. (author), Cohen, A.B. (author), Aarninkhof, S.G.J. (author), Koningsveld, M. van (author) report 2006
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- Walstra, D.J.R. (author), Koster, L. (author) report 2006
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- Walstra, D.J.R. (author) report 2005
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- Walstra, D.J.R. (author), Ormondt, M. van (author), Roelvink, J.A. (author) report 2004
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- Rijn, L.C. van (author), Walstra, D.J.R. (author), Ormondt, M. van. (author) report 2004
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- Rijn, L.C. van (author), Walstra, D.J.R. (author) report 2004
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- Rijn, L.C. van (author), Walstra, D.J.R. (author) report 2004
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- Walstra, D.J.R. (author) report 2004
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- Walstra, D.J.R. (author), Steetzel, H.J. (author) report 2003
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- Walstra, D.J.R. (author), Helvert, M.A.G. van (author) report 2003
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- Rijn, L.C. van (author), Walstra, D.J.R. (author) report 2003
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- Rijn, L.C. van (author), Walstra, D.J.R. (author), Boer, G. de (author) report 2002
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- Rijn, L.C. van (author), Walstra, D.J.R. (author), Helvert, M.A.G. van (author) report 2002
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- Walstra, D.J.R. (author) report 2001
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- Walstra, D.J.R. (author), Koningsveld, M. van (author), Aarninkhof, S.G.J. (author), Ruessink, B.G. (author) report 2001
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- Walstra, D.J.R. (author) report 2001
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Van Rijn, L.C. (author), Walstra, D.J. (author), Van Helvert, M.A.G. (author), De Boer, G. (author)For several years the large-scale mining of sand from the Dutch Sector of the North sea is in discussion related to the need of sand for shoreface, beach and dune nourishment and large-scale engineering works at sea (Maasvlakte extension, airport at sea). The mining methods considered, basically fall into two categories: wide, shallow or small,...report 2001
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