1
Applications of Computer Technology to Dynamical Astronomy [E-Book] : Proceedings of the 109th Colloquium of the International Astronomical Union, held in Gaithersburg, Maryland, 27–29 July 1988 /
2
Astrométrie moderne [E-Book] /
3
Modern Astrometry [E-Book] /
4
Reference Frames [E-Book] : In Astronomy and Geophysics /