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APA ZitierstilBucha, V. (1970). Geomagnetic intensity: Changes during the past 3000 years in the western hemisphere.- Washington, D.C.
Chicago ZitierstilBucha, V. Geomagnetic Intensity: Changes During the Past 3000 Years in the Western Hemisphere.- Washington, D.C. 1970.
MLA ZitierstilBucha, V. Geomagnetic Intensity: Changes During the Past 3000 Years in the Western Hemisphere.- Washington, D.C. 1970.