Vol. s3-15, Issue 88, 1878April 01, 1878 EDT
Janssen Solar Photograph and Optical Studies
Janssen Solar Photograph and Optical Studies
S. P. Langley,
Langley, S. P. (1878). Janssen solar photograph and optical studies. American Journal of Science, s3-15(88), 297–301. https://doi.org/10.2475/ajs.s3-15.88.297