1. Hanson JE (1996) Principles of X-ray navigation. Ph.D dissertation, Dept of Aeronautics and Astronautics, Stanford Univ, Stanford, CA
2. Emadzadeh AA, Speyer JL (2011) Navigation in space by X-ray pulsars. Springer, Berlin
3. Shuai P, Li M, Chen SL, et al (2009) Principle and method of X-ray pulsars navigation system. China Astronautic Publishing House, Beijing
4. Shuai P, Li M, Chen SL, et al (2007) Navigation principles using X-ray pulsars. J Astronaut 28(6):1538–1543
5. Ashby N, Golshan AR (2008) Minimum uncertainties in position and velocity determination using X-ray photons from millisecond pulsars ION NTM 2008. San Diego, CA, pp 110–118