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- TU Delft (author) report 1998
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- SNAME (Society of Naval Architects and Marine Engineers) (author) report 1995
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- report 1987
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- Stichting onderzoek Groninger werf aan het open Water (author) report 1983
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- Langman, H. (author) report 1978
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- Nederlands Maritiem Instituut (author) report 1977
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- Nederlands Maritiem Instituut (author) report 1975