Practical astronomy.
Nassau, Jason John, 1893-
Practical astronomy. - 2nd ed. - New York : McGraw-Hill Book Co., 1948. - xii, 311 p. ill. - McGraw-Hill astronomical series .
First ed. pub. in 1932 under title: A textbook of practical astronomy.
Spherical astronomy.
Practical astronomy. - 2nd ed. - New York : McGraw-Hill Book Co., 1948. - xii, 311 p. ill. - McGraw-Hill astronomical series .
First ed. pub. in 1932 under title: A textbook of practical astronomy.
Spherical astronomy.
All site content, except where otherwise noted, is licensed under a