@book{ Solr-ocm26847495, title = {On the spectra of helium, hydrogen and carbon in the extreme ultraviolet,}, series = {University of Toronto studies. Papers from the physical laboratories}, series = {University of Toronto Studies Papers from the physical laboratories}, author = {McLennan, J. C. (John Cunningham), 1867-1935}, editor = {Petrie, Peter Arnold}, editor = {University of Toronto}, publisher = {The University Library: pub. by the librarian}, year = {1921}, }