Textbook on spherical astronomy /
Smart, W. M.
Textbook on spherical astronomy / by W.M. Smart. - 6th rev. ed. / R.M. Green. - Cambridge : The University Press, 1977. - xiii, 431 p.
0521215161
Spherical astronomy.
Astronomy.
Textbook on spherical astronomy / by W.M. Smart. - 6th rev. ed. / R.M. Green. - Cambridge : The University Press, 1977. - xiii, 431 p.
0521215161
Spherical astronomy.
Astronomy.