M. Soffel

The IAU 2000 Resolutions for Astrometry, Celestial Mechanics, and Metrology in the Relativistic Framework: Explanatory Supplement

P. K. Seidelmann, L. Lindegren, P. Wolf, 2003, astro-ph/0303376.

General relativistic celestial mechanics.

T. Damour, M. Soffel, M. Soffel, 1992 .

Gaia Data Release 1. Testing parallaxes with local Cepheids and RR Lyrae stars

L. Szabados, C. Barache, J. Narbonne, 2017, 1705.00688.

Report of the International Astronomical Union Division I Working Group on Precession and the Ecliptic

J. Vondrak, J. M. Ferrandiz, A. Fienga, 2006 .

Gaia Data Release 1: Astrometry - one billion positions, two million proper motions and parallaxes

C. Barache, B. Bucciarelli, M. G. Lattanzi, 2016, 1609.04303.

Gaia Data Release 1. Open cluster astrometry: performance, limitations, and future prospects

L. Szabados, C. Barache, J. Narbonne, 2017, 1703.01131.