Semi-Steady burning evolutionary sequences for CAL 83 and CAL 87: Super Soft X-ray binaries are supernova Ia progenitors Starrfield, S. ; Timmes, F. X. ; Hix, W. R. ; Sion, E. M. ; Sparks, W. M. ; Dwyer, S. Abstract Publication: Cosmic explosions in three dimensions Pub Date: 2004 Bibcode: 2004cetd.conf...87S