Merril, R. T., & Mcelhinny, M. W. (1983). Earth's magnetic field: Its history, origin and planetary perspective. Academic Press.
Παραπομπή Chicago StyleMerril, Ronald T., και Michael W. Mcelhinny. Earth's Magnetic Field: Its History, Origin and Planetary Perspective. London: Academic Press, 1983.
Παραπομπή MLAMerril, Ronald T., και Michael W. Mcelhinny. Earth's Magnetic Field: Its History, Origin and Planetary Perspective. Academic Press, 1983.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.