He 10830 Angstrom Confirms Non-Propagation Component of Chromospheric Oscillations Hofmann, J. ; Deubner, F. -L. ; Fleck, B. Abstract Publication: GONG 1994. Helio- and Astro-Seismology from the Earth and Space Pub Date: 1995 Bibcode: 1995ASPC...76..342H