Cross Spectral Analysis of Cygnus X-1 Vaughan, B. ; Michelson, P. ; Hertz, P. ; Wood, K. S. ; Norris, J. P. ; Miyamoto, S. ; Kitamoto, S. ; Mitsuda, K. Abstract Publication: Frontiers Science Series Pub Date: 1992 Bibcode: 1992fxra.conf..315V