Measured Response of a Wolter I X-Ray Telescope Figured by Diamond Turning Catura, R. C. ; Bardas, D. ; Brown, W. A. ; Roethig, D. T. ; Culhane, J. L. ; Berthelsdorf, R. ; Franks, A. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1981 Bibcode: 1981BAAS...13..510C