Solar Ultraviolet Spectrum to 88 Kilometers Baum, W. A. ; Johnson, F. S. ; Oberly, J. J. ; Rockwood, C. C. ; Strain, C. V. ; Tousey, R. Abstract Publication: Physical Review Pub Date: November 1946 DOI: 10.1103/PhysRev.70.781 Bibcode: 1946PhRv...70..781B