1. Swarm: a constellation to study the Earth׳s magnetic field;Friis-Christensen;Earth Planets Space,2006
2. Space-based magnetometers;Acuna;Rev. Sci. Instrum.,2002
3. Measuring the Earth׳s magnetic field from space: concepts of past, present and future missions;Olsen;Space Sci. Rev.,2010
4. The Present and Future Geomagnetic Field;Hulot,2015
5. J.-M. Léger, F. Bertrand, T. Jager, I. Fratter, Spaceborn scalar magnetometers for Earth׳s field studies, in: Proceedings of the 62nd International Astronautical Congress, Cape Town, South Africa, Oct. 3–7, 2011, paper: IAC-11-B1.3.9.