On the spectra of helium, hydrogen and carbon in the extreme ultraviolet
By: by J.C. McLennan and P.A. Petrie ...
Series: University of Toronto studies. Papers from the physical laboratories -- no. 81
Publisher: The University Library: pub. by the librarian
Published: 1921
Place of publication: Toronto
Language: eng
Number of pages: 29
Subjects: Ultraviolet spectra; Helium; Hydrogen; Carbon
Notes: Cover title.

"Reprinted from the Transactions of the Royal Society of Canada, series III, vol. XV."