1)“Black holes in massive gravity: Quasi-normal modes of scalar perturbations", S. Fernando and Tyler Clark, General Relativity and Gravitation Vol. 46 (issue 12) 1834 (2014)
2) “Null trajectories and bending of light in charged black holes with quintessence,” S. Fernando, Scott Meadows and Kevon Reis, International Journal of Theoretical .Physics 54, 3634 (2015)
3) “Quasi normal modes of Bardeen black holes: scalar perturbations,” S. Fernando and Juan Correa, Physical Review D 86 064039( 2012)