1. Hartle, J.B.: Gravity: An Introduction To Einstein’s General Relativity. Pearson Education Inc., Singapore (2003)
2. Chandrasekhar, S.: The Mathematical Theory of Black Holes. Oxford University Press, New York (1983)
3. Pugliese, D., Quevedo, H., Ruffini, R.: Motion of charged test particles in Reissner-Nordstr $$\ddot{o}$$ o ¨ m spacetime. Phys. Rev. D83, 104052 (2011)
4. Schutz, B.F.: A First Course in General Relativity. Cambridge University press, Cambridge (1983)
5. Hackmann, E., Hongxiao, Xu: Charged particle motion in Kerr–Newmann space-times. Phys. Rev. D87, 124030 (2013)