Petr Sojka ... [et al.] (eds.). Peter Vojtá? ... [et al.] (eds.). Peter Seyfried ... [et al.] (eds.). Jean Ponce ... [et al.] (eds.). Peter Widmayer ...[et al.] (eds.). Paul Vogt ... [et al.] (eds.). Sameer Singh ... [et al.] (eds.). Vicen? Torra ... [et al.] (eds.). Paolo Petta ... [et al.] (eds.). Dietmar Seipel ... [et al.] (eds.).