ISBN 0266059996 books & textbook
Absolute Photometry of the Light of the Night Sky: The Zenith Intensity of Haleakala (Latitude N 20. 7°) And at Fritz Peak (Latitude N 39. 9°) (Classic Reprint)
Forgotten Books /2020-04-23 Paperback / 62 Pages
isbn-10: 0266059996 / isbn-13: 9780266059998