The Delft University of Technology 1905-1955Commemorative address at the celebration of the fiftieth anniversary of the College of Engineering delivered by the Rector MagnificusStone and shell : selection from speeches and essays by Dr. O. Bottema, presented to him on his retirement as professor at the Delft University of Technology on June 4, 1971At a farewell : published on the occasion of the rectorship transfer by Prof. Dr. O. BottemaRector's address : speech delivered on September 16, 1957 by the Rector Dr. O. BottemaRectorial address : speech delivered on September 15, 1958, by Rector Dr. O. BottemaSpeech delivered on September 20, 1954 by the Rector Magnificus Dr. O. Bottema
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Bottema, O.
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Bottema, O.
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