Themis Panayiotopoulos ... [et al.] (eds.). Panos Markopoulos ... [et al.] (eds.). Dimitrios Georgakopoulos ... [et al.] (eds.). Theo Dimitrakos ... [et al.] (eds.). Apostolos Syropoulos ... [et al.] (eds.) Franz Rothlauf ... et al., (eds.). Ioannis Tomkos ... [et al.] (eds.). Peter van Emde Boas ... [et al.] (eds.). Yannis Avrithis ... [et al.] (eds.). Yuji Matsumoto ... [et al.] (eds.).