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1
Published 1971
Springer Netherlands
Table of Contents: “... Cosmology (Cosmologie) -- 48 High Energy Astrophysics (Astrophysique de Grande Énergie) -- 4 Astronomer’s...”
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2
Published 1973
Springer Netherlands
Table of Contents: “... Data -- 46. Teaching of Astronomy (Enseignement de l’Astronomie) -- 47. Cosmology (Cosmologie) -- 48...”
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3
Published 1971
Springer Netherlands
Table of Contents: “... in Massive Objects -- Helium Production in the Different Cosmological Models -- Helium in the Universe: Final...”