by Berti, Emanuele, Cardoso, Vitor, Starinets, Andrei O
Published in Classical and quantum gravity (21.08.2009)

by Kunduri, Hari K, Lucietti, James, Reall, Harvey S
Published in Classical and quantum gravity (21.08.2007)

by Chen, W, Lü, H, Pope, C N
Published in Classical and quantum gravity (07.09.2006)

by Giesel, K, Hofmann, S, Thiemann, T, Winkler, O
Published in Classical and quantum gravity (07.03.2010)

by Dain, Sergio
Published in Classical and quantum gravity (07.04.2012)

by Zimdahl, Winfried, Pavón, Diego
Published in Classical and quantum gravity (21.11.2007)

by Freise, A, Chelkowski, S, Hild, S, Pozzo, W Del, Perreca, A, Vecchio, A
Published in Classical and quantum gravity (21.04.2009)

by Intriligator, Kenneth, Seiberg, Nathan
Published in Classical and quantum gravity (07.11.2007)

by Domagala, Marcin, Lewandowski, Jerzy
Published in Classical and quantum gravity (21.11.2004)

by van Meter, J R
Published in Classical and quantum gravity (07.11.2011)

by Nagar, Alessandro, Rezzolla, Luciano
Published in Classical and quantum gravity (21.08.2005)

by Schnittman, Jeremy D
Published in Classical and quantum gravity (07.05.2011)

by Faraoni, Valerio
Published in Classical and quantum gravity (21.07.2009)

by Bojowald, Martin, Tsobanjan, Artur
Published in Classical and quantum gravity (21.07.2010)

by Cavaglià, Marco, Das, Saurya
Published in Classical and quantum gravity (07.10.2004)

by Dubeibe, F. L., Arias H., J. D., Alfonso, J. E.
Published in Indian journal of physics (01.12.2019)

by Marolf, Donald, Morrison, Ian A
Published in Classical and quantum gravity (07.12.2009)

by Cheng, Hongbo, Man, Jingyun
Published in Classical and quantum gravity (07.01.2011)

by Kweyama, M C, Govinder, K S, Maharaj, S D
Published in Classical and quantum gravity (21.05.2011)

by Ohta, Nobuyoshi
Published in Classical and quantum gravity (21.10.2012)