Observations on the temperature and salinity of the surface waters of the North Sea in 1903
Robertson, A.J. (1905). Observations on the temperature and salinity of the surface waters of the North Sea in 1903. Report on Fishery and Hydrographical Investigations in the North Sea and Adjacent Waters, 1902-1903. HMSO: London. 115-134 pp.
Deel van: Thompson, D'A. W. (Ed.) Report on Fishery and Hydrographical Investigations in the North Sea and Adjacent Waters. Her Majesty's Stationery Office: London, meer
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