RT Journal Article SR Electronic T1 Radiation of atmospheric air JF American Journal of Science JO Am J Sci FD American Journal of Science SP 357 OP 363 DO 10.2475/ajs.s3-43.257.357 VO s3-43 IS 257 A1 C. C. Hutchins YR 1892 UL http://www.ajsonline.org/content/s3-43/257/357.abstract AB