Vol. s3-36, Issue 216, 1888December 01, 1888 EDT
The Invisible Solar and Lunar Spectrum
The Invisible Solar and Lunar Spectrum
S. P. Langley,
Langley, S. P. (1888). The invisible solar and lunar spectrum. American Journal of Science, s3-36(216), 397–409. https://doi.org/10.2475/ajs.s3-36.216.397