Struve, Otto, 1897-1963.
Elementary astronomy [by] Otto Struve, Beverly Lynds, and Helen Pillans. - New York, Oxford University Press, 1959. - 396 p. illus. 26 cm.
59005140
Astronomy.
QB45 / .S85
520
Elementary astronomy [by] Otto Struve, Beverly Lynds, and Helen Pillans. - New York, Oxford University Press, 1959. - 396 p. illus. 26 cm.
59005140
Astronomy.
QB45 / .S85
520