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Periodicals, Proceedings, Books, Activities

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Part of the Astronomy and Astrophysics Abstracts book series (AAA, volume 9)

Keywords

Black Hole Astronomical Society York Acad Observatory Report Royal Greenwich Observatory 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1973

Authors and Affiliations

  1. 1.HeidelbergGermany

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