The story of variable stars
Campbell, Leon G.
The story of variable stars Leon G. Campbell and Luigi G. Jacchia - Philadelphia Blakiston 1945 - v+226p. appendix; epilogue; index; plates - The Harvard Books on Astronomy .
AstronomyStarsStellar Eclipses
524.33 / CAM
The story of variable stars Leon G. Campbell and Luigi G. Jacchia - Philadelphia Blakiston 1945 - v+226p. appendix; epilogue; index; plates - The Harvard Books on Astronomy .
AstronomyStarsStellar Eclipses
524.33 / CAM