PT - JOURNAL ARTICLE AU - Benjamin V. Marsh TI - The Aurora, viewed as an electric discharge between the magnetic poles of the Earth, modified by the Earth's magnetism AID - 10.2475/ajs.s2-31.93.311 DP - 1861 May 01 TA - American Journal of Science PG - 311--318 VI - s2-31 IP - 93 4099 - http://www.ajsonline.org/content/s2-31/93/311.short 4100 - http://www.ajsonline.org/content/s2-31/93/311.full SO - Am J Sci1861 May 01; s2-31