“...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut Heidelberg. Produced in Cooperation with the Fachinformationszentrum Karlsruhe and the Institution of Electrical Engineers, UK ;...”

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“...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut Heidelberg Produced in Cooperation with the Fachinformationszentrum Karlsruhe ;...”

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“...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut Heidelberg Member of the International Council for Scientific and Technical Information. Astronomy and Astrophysics Abstracts is Prepared Under the Auspices...”

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“...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut Heidelberg. Member of the International Council for Scientific and Technical Information. Astronomy and Astrophysics Abstracts is Prepared Under the Auspices...”

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“...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut Heidelberg Member of the Abstracting Board of the International Council of Scientific Unions Astronomy and Astrophysics Abstracts is Prepared Under the Auspices...”

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“...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut Heidelberg Member of the Abstracting Board of the International Council of Scientific Unions ;...”

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“...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut Heidelberg Member of the Abstracting Board of the International Council of Scientific Unions ;...”

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