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The secular variation of magnetic declination in Ireland (1980)
(Irish Meteorological Service, 1980)
Magnetic Observations at Valentia Observatory 1988
(Irish Meteorological Service, 1989)
Magnetic Observations at Valentia Observatory 1985
(Irish Meteorological Service, 1987)
Magnetic Observations at Valentia Observatory 1983-1984
(Irish Meteorological Service, 1986)
Magnetic Observations at Valentia Observatory 1980
(Irish Meteorological Service, 1983)
Magnetic Observations at Valentia Observatory 1981
(Irish Meteorological Service, 1983)
Magnetic Observations at Valentia Observatory 1979
(Irish Meteorological Service, 1982)
Magnetic Observations at Valentia Observatory 1982
(Irish Meteorological Service, 1984)