作者: F.R. Stephenson

P.Brosche The development of the ideas and observational techniques related to the subject of our meeting "Tidal friction and the Earth’s rotation", Bielefeld, September 1977 is one of the …

Solar and geomagnetic variability are of considerable interest for scientists of many different persuasions and indeed one has the distinct impression that for the sun at least, there is direct relev …