Johan Tidemand Ruud1903 – ,BooksDette er Norge, 1814-1964The hydrographic conditions and aeration of the Oslo fjord, 1933-1934On the biology of copepods off Möre. 1925-1927Dette er NorgeI. Deep-sea prawn fisheries and their problems. II. A bottom-sampler for the mud-lineAuthor data: Open Library