Vol. s3-42, Issue 248, 1891August 01, 1891 EDT
Photographic Investigation of Solar Prominences and Their Spectra
Photographic Investigation of Solar Prominences and Their Spectra
George E. Hale,
Hale, G. E. (1891). Photographic investigation of solar prominences and their spectra. American Journal of Science, s3-42(248), 160–166. https://doi.org/10.2475/ajs.s3-42.248.160