Harvey, Jeffrey A; Iengo, Roberto; Narain, Kumar Shiv; Verlinde, Herman L; Randjbar-daemi, Seifallah World Scientific Publishing Company 1992 Kovakantinen kirja
Thompson, George; Duff, Michael James; Sezgin, Ergin; Pope, Christopher N; Greene, Brian; Narain, Kumar Shiv; Randjbar-daemi, Se World Scientific Publishing Company 1999 Kovakantinen kirja
Harvey, Jeffrey A; Iengo, Roberto; Narain, Kumar Shiv; Randjbar-daemi, Seifallah; Verlinde, Herman L World Scientific Publishing Company 1993 Kovakantinen kirja