Proceedings of the fourth International Conference on Exploration and Utilisation of the Moon, ICEUM 4, 10-14 July 2000, ESTEC, Noordwijk, the Netherlands. pp.71-76, 2000. Noordwijk, The Netherlands. ESA Publications Division
Proceedings of the fourth International Conference on Exploration and Utilisation of the Moon, ICEUM 4, 10-14 July 2000, ESTEC, Noordwijk, the Netherlands. pp.93-96, 2000. Noordwijk, The Netherlands. ESA Publications Division
Proceedings of the fourth International Conference on Exploration and Utilisation of the Moon, ICEUM 4, 10-14 July 2000, ESTEC, Noordwijk, the Netherlands. pp.5-10, 2000. Noordwijk, The Netherlands. ESA Publications Division