Peter Seyfried ... [et al.] (eds.). Peter Widmayer ...[et al.] (eds.). Peter Hertling ... [et al.] (Eds.) Peter Enser ... [et al.] (eds.) Peter Vojtá? ... [et al.] (eds.). Petr Sojka ... [et al.] (eds.). Dietmar Seipel ... [et al.] (eds.). Peter Langendoerfer ... [et al.], (eds.). Per Stenstrom ... [et al.] (eds.). Peter M.A. Sloot ... [et al.] (eds.).