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Article / Letter to editor
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Martin, W.C.
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Oort, J.H.
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Oosterhoff, P.T.
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Woltjer Jr., J.
1938
Note on the light-variation of Cepheid variables with secondary period
Article / Letter to editor
open access
Martin, W.C.
1938
The brightest variable star in ω Centauri (Errata: 9 61)
Article / Letter to editor
open access
Luyten, W.J.
1938
On the apsidal motion of V 380 Cygni and MR Cygni
Article / Letter to editor
open access
Oort, J.H.
1938
Quelques résultats concernant la répartition de la matière interstellaire et la structure du système galactique
Article / Letter to editor
open access
Oosterhoff, P.T.
1938
The light-variation of VX Hydrae
Article / Letter to editor
open access
Martin, W.C.
1938
Observations in the minima of the eclipsing variable AG Persei, which reveal apsidal motion
Article / Letter to editor
open access
Oort, J.H.
1938
Absorption and density distribution in the galactic system
Article / Letter to editor
open access
Sitter, W. de; Brouwer, D.
1938
On the system of astronomical constants (edited and completed by DIRK BROUWER, with the aid of notes by - (Errata: 10 146)
Article / Letter to editor
open access
Oosterhoff, P.T.
1938
Variable stars in the globular cluster NGC 6171
Article / Letter to editor
open access
Martin, W.C.
1938
Discussion of the more recent observations of the eclipsing variable u Herculis
Article / Letter to editor
open access
Kluyver, H.A.
1938
Numerical values of the damping constant for radial oscillations of stars
Article / Letter to editor
open access
Bleksley, A.E.H.
1938
Note on the period and light-curve of a new Algol variable
Article / Letter to editor
open access