|  |  | Bringing the bottom to the surface. Part 1 | Analytt | q656.6(05) S Hermansson, Robert / I: The Scandinavian Shipping Gazette.  - January 25, 2002 - Göteborg, 2002. - s.50-51
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				|  |  | Der Welt erster Ozeanograph : Luigi Ferdinando Conte di Marsigli | Analytt | q656.6(091)(05) S Schefbeck, Günther / I: Schiff und Zeit.  - Nr. 32, 1990. - 55-59
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