Periodic temporal phenomena in the solar chromosphere as observed from OSO-8 (LPSP). Vial, J. C. ; Leibacher, J. ; Lemaire, P. ; Artzner, G. ; Bonnet, R. M. ; Skumanich, A. ; Vidal-Madjar, A. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1976 Bibcode: 1976BAAS....8..397V