ISBN 0943396190 books & textbook
Photoelectric Photometry of Variable Stars: A Practical Guide for the Smaller Observatory
Hall, Douglas S. Genet, Russell M.
Willmann-Bell /1988T Hardcover / 252 Pages
isbn-10: 0943396190 / isbn-13: 9780943396194
Hall, Douglas S. Genet, Russell M.
Willmann-Bell /1988T Hardcover / 252 Pages
isbn-10: 0943396190 / isbn-13: 9780943396194