1. The ESA Mercury Cornerstone. Executive Summary, ESA SCI(99)2, September 1999.
2. ESA-TRP Contract 12792/98/NL/PA Pointing mechanism with multiple RF feed-through, Kongsberg Defence & Aerospace, 1999.
3. ESA-TRP Contract 13022/98/NL/NB Deployment mechanism for wire antenna, SENER, 1999.
4. ESA Science Web Pages, http://sci.esa.int/.
5. A. Defendini, K. Lagadec, P. Guay, T. Blais, G. Griseri, Low cost CMG-based AOCS designs, Proceedings of the Fourth ESA International Conference on Spacecraft Guidance, Navigation and Control Systems, SP-425, 1999, pp. 393–398.