Asimov, IsaacCarlin, JohnChantiDAVIS , STEPHENE.L. JamesFERRAN SENDRAIngenieros, JoseJenkins, PhilipLe Huche MagaliLewis, BernardLópez MartÃnez, AndrésMainer, José-CarlosMarcus, GreilMendoza, JuanMenzies, GavinMonteagudo, SusanaPayne, Stanley G.Polo Martin, BarbaraPorter, DickRamos, Laura ElisaRidolfi, MaurizioRock, DavidSaracino, LucianoSierra I Fabra, JordiSimon ReynoldsSin AutorVV. AA.Wernicke, Luciano