TY - GEN T1 - The Cosmological Constant $\Lambda$, the Age of the Universe and Dark Matter: Clues from the Ly$\alpha$-Forest T2 - arXiv PY - 1998/10/21 AU - van de Bruck C AU - Priester W ED - DO - DOI: 10.48550/arxiv.astro-ph/9810340 Y2 - 2025/05/21 ER -