1. Relativistic flight mechanics and space travel;Tinder;Morgan & Claypool Publishers,2007
2. C. Mileikowsky, Cost considerations regarding interstellar transport of scientific probes with coasting speeds of about 0.3c, 45th Congress of the International Astronautical Federation (1994) IAA-94-655.
3. From Earth's orbit to the outer planets and beyond: psychological issues in space;Kanas;Acta Astronaut.,2011
4. Radiation hazard of relativistic interstellar flight;Semyonov;Acta Astronaut.,2009
5. The galactic environment of the Sun;Frisch;J. Geophys. Res.,2000