Unruh, W. J. Shiloh books & textbook
Eye on the Sky: Lick Observatory's First Century
Osterbrock, Donald E. Gustafson, John R. Unruh, W. J. Shiloh
University of California Press /1988T Hardcover / 307 Pages
isbn-10: 0520061098 / isbn-13: 9780520061095
