1. Bauer,F.H.,Moreau,M.C.,Dahle-Melsaether,M.E., Petrofski,W.P., Stanton, B.J., Thomason, S., Harris, G.A, Sena, R.P., III, L. ParkerTemple,"TheGPSSpaceServiceVolume,"IONGNSS 2006, FortWorth, TX, 2006.
2. Developing a Robust, Interoperable GNSS Space Service Volume (SSV) for the Global Space User Community