Astronomical problems an introductory course in astronomy /
Vorontsov-Vel'iaminov, Boris Aleksandrovich.
Rabbitt, Patrick Michael.
Hutchings, John B.
Beer, Arthur.
Oxford Pergamon
1969
With answers
Originally published as 'Sbornik zadach i uprazhnenii po astronomii', lzd.4. Moscow: Izd. Tekhniko-Teoreticheskoi Literatury, 1957
Astronomy.