AutoriRaoul H. France5Lambrecht Kalman2Clifford L. Linedecker2Brian Aldiss2Trocsanyi Zoltan1Gordon MacCreagh1Ernst F. Lohndorff1Richard Katz1Wilhelm Munnecke1Carveth Wells1Richard Halliburton1Jakob Wassermann1Martin Johnson1Dan Dumitrescu1Ghizi Poilici Aroneanu1Nancy Taylor Rosenberg1Kirk Douglas1