Sunsets, Twilights, and Evening Skies Authors : Aden & Marjorie Meinel Published by : Cambridge Univ. Press, 1983 ISBN 0-521-40647-1 Page authored by the ACEPT W3 Group Department of Physics and Astronomy, Arizona State University, Tempe, AZ 85287-1504 Copyright © 1995-2000 Arizona Board of Regents. All rights reserved.