(1987). Large-scale structures in the universe: Seventeenth advanced course of the Swiss Society of Astronomy and Astrophysics. Geneva Observatory.
Chicago-Zitierstil (17. Ausg.)Large-scale Structures in the Universe: Seventeenth Advanced Course of the Swiss Society of Astronomy and Astrophysics. Sauverny-Versoix: Geneva Observatory, 1987.
MLA-Zitierstil (9. Ausg.)Large-scale Structures in the Universe: Seventeenth Advanced Course of the Swiss Society of Astronomy and Astrophysics. Geneva Observatory, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.