2005 · Joel Barnes, Chris Rizos, et al. · Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM) · 37
2006 · Joel Barnes, Chris Rizos, et al. · Proceedings of the 19th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2006) · 15