Secular variation of the intensity of the geomagnetic field during the past 3,000 years in North, Central, and South America /

Lee, Sheng-shyong,2013-08-162013-08-161975http://hdl.handle.net/11244/4032xii, 200 leaves :Geomagnetism Secular variations.Geophysics.Secular variation of the intensity of the geomagnetic field during the past 3,000 years in North, Central, and South America /Thesis