by Escamilla-Rivera, Celia, García-Jiménez, Gerardo, Loaiza-Brito, Oscar, Obregón, Octavio
Published in Classical and quantum gravity (07.02.2013)

by Escamilla-Rivera, Celia, Garcia-Jimenez, Gerardo, Loaiza-Brito, Oscar, Obregon, Octavio
Published in arXiv.org (28.10.2011)

by Ruiz Luna, Judith, Montes Yedra, Jacobo, Jimenez Garcia, Gerardo
Year of Publication 1998

by Adan Garcia y Gerardo Jimenez
Published in Reforma (Mexico City, Mexico : 1993) (11.09.1999)

by Gerardo Jimenez, Ivan Frutos, Carla Garcia con informacion de agencias
Published in Reforma (Mexico City, Mexico : 1993) (19.05.2001)