一般注記 |
International Astronomical Union. Symposium (1975 : Cambridge). Structure and evolution of close binary systems, 1976: t.p. EDSRC:Active galactic nuclei : based on the proceedings of a NATO advanced study institute held at the Institute of Astronomy, University of Cambridge, August 1977 / edited by C. Hazard and S. Mitton (Cambridge University Press, 1979)
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