ISBN 0935702687 books & textbook
Explanatory Supplement to the Astronomical Almanac
Univ Science Books /1992T Hardcover / 752 Pages
isbn-10: 0935702687 / isbn-13: 9780935702682
Univ Science Books /1992T Hardcover / 752 Pages
isbn-10: 0935702687 / isbn-13: 9780935702682