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  • (-) ≠ Cliteur, P.B.
  • (-) ≠ 1988

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(117,961 - 117,980 of 118,794)

Pages

The original values of I/α for 17 cometary orbits
A new photo-electric method of classification of luminosity and spectral type for O-and B-type stars
The distortion of a magnetized cloud by differential galactic rotation
The original values of I/a for comets 1941 VIII (Van Gent) and 1946 VI (Jones)
Three-colour photometry in the UBV system of 51 northern Cepheids
Note on the determination of K<SUB>z</SUB> and on the mass density near the Sun.
The position of the galactic centre
Methods for computing the original orbits of comets
Very accurate positions of selected stars
Internal motions and density distribution in a globular cluster
The sociology and culture of Africa: its nature and scope
Neutral hydrogen in M 33 and M 101
21-cm observations on the Coma cluster
Neutral hydrogen in extra-galactic systems
Structure and dynamics of Messier 3
Concluding lecture
The interstellar gas in the central part of the galaxy.

Pages