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Vermeiden, J. (author)Description of the pontoon Johan V and the additional equipment to execute geotechnical investigations under water for the construction of the Oosterschelde barrier.report 1980
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Begemann, H.K.S.Ph. (author)Description of the large scale core sampler used for soil investigations under te construction site of the Oosterschelde barrier.report 1980
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Vermeiden, J. (author)Description of the diving bell used for soil investigations for the Oosterschelde barrier.report 1980