The X-Ray Emission of Late Type Evolved Stars Maggio, A. ; Vaiana, G. S. ; Haisch, B. M. ; Stern, R. A. ; Harnden, F. R., Jr. ; Rosner, R. Abstract Publication: Imaging X-Ray Astronomy. A Decade of Einstein Observatory Achievements Pub Date: 1990 Bibcode: 1990ixra.conf..233M