Textbook on spherical astronomy / W. M. Smart. Smart, W. M. (William Marshall), 1889- Green, Robin M. (Robin Michael), 1937- Spherical astronomy. QB145 .S6 1977 522 19 SMT Includes index. Cambridge ; New York : Cambridge University Press, 1977. 1977. 1977 Text xiii, 431 p. : http://www.loc.gov/catdir/description/cam032/76050643.html http://www.loc.gov/catdir/toc/cam032/76050643.html eng