The eclipsing variables /
Gaposchkin, Sergei
The eclipsing variables / by Sergei Gaposchkin. - Cambridge : The Observatory, 1953. - 69-145 pp. 23 cm. - Annals of the Astronomical Observatory of Harvard College Vol. 113, no. 2 .
Variable stars.
The eclipsing variables / by Sergei Gaposchkin. - Cambridge : The Observatory, 1953. - 69-145 pp. 23 cm. - Annals of the Astronomical Observatory of Harvard College Vol. 113, no. 2 .
Variable stars.