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Print Wellenbeobachtungen von deutschen Bordwetterwarten im Nordsee-Bereich, 1957 - 1966 : = Wave observations by ship-borne German weather stations in the North Sea, 1957 - 1966 / von Carl Pflugbeil ; Peter J. Schäfer und Hans Walden Place and Date of Creation Hamburg 1971 Download single image avaibable widths |