Transactions of the International Astronomical Union: Proceedings of the Nineteenth General Assembly Delhi 1985 1986 · ENGLISH · PDF View details →
Quasars, AGNs and Related Research Across 2000: Conference on the Occasion of L. Woltjer’s 70th Birthday Held at the Accademia Nazionale dei Lincei, Rome, Italy, 3-5 May 2000 2001 · ENGLISH · PDF View details →
