On near-shore surface current measurements by means of radar Heinz-Hermann EssenEkkehard MittelstaedtFlorian Schirmer OriginalPaper 01 March 1981 Pages: 1 - 14
A numerical and statistical investigation of a seiche oscillation of the Ligurian Sea Lorenzo Papa OriginalPaper 01 January 1981 Pages: 15 - 25
Base-line measurements of the declination, by means of a proton vector magnetometer, at the Wingst geomagnetic observatory (Erdmagnetisches observatorium Wingst) Günter Schulz OriginalPaper 01 February 1981 Pages: 26 - 37