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The design of ship screws of optimum diameter for an unequal velocity field

van Manen, Jan Dirk (author), Troost, L. (author)

report 1952

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A simplified method for preliminary powering of single screw merchant ships

Troost, Laurens (author)

report 1955

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On the principle of the substitute propeller

Troost, Laurens (author)

report 1955