Astronomical and Astrophysical Objectives of Sub-Milliarcsecond Optical Astrometry Proceedings of the 166th Symposium of the International Astronomical Union, Held in the Hague, The Netherlands, August 15–19, 1994 Høg, Erik Heftet / 1995 / Engelsk
Applications of Computer Technology to Dynamical Astronomy Proceedings of the 109th Colloquium of the International Astronomical Union, held in Gaithersburg, Maryland, 27–29 July 1988 Seidelmann P. Kenneth Heftet / 2012 / Engelsk
History of Celestial Navigation Rise of the Royal Observatory and Nautical Almanacs Seidelmann P. Kenneth Innbundet / 2020 / Engelsk
History of Celestial Navigation Rise of the Royal Observatory and Nautical Almanacs Seidelmann P. Kenneth Heftet / 2021 / Engelsk
Fundamental Astronomy and Solar System Dynamics Invited Papers Honoring Prof. Walter Fricke on the Occasion of His 70th Birthday Duncombe, R.L. Innbundet / 1986 / Engelsk
Fundamental Astronomy and Solar System Dynamics Invited Papers Honoring Prof. Walter Fricke on the Occasion of His 70th Birthday Duncombe, R.L. Heftet / 2012 / Engelsk
Relativity in Fundamental Astronomy (IAU S261) Dynamics, Reference Frames, and Data Analysis Klioner Sergei A. Innbundet / 2010 / Engelsk
Dynamics of Natural and Artificial Celestial Bodies Proceedings of the US/European Celestial Mechanics Workshop, held in Poznań, Poland, 3–7 July 2000 Pretka-Ziomek Halina Heftet / 2011 / Engelsk
Dynamics of Natural and Artificial Celestial Bodies Proceedings of the US/European Celestial Mechanics Workshop, held in Poznań, Poland, 3–7 July 2000 Pretka-Ziomek Halina Innbundet / 2002 / Engelsk
