by Lyytinen, Kalle | Loucopoulos, Pericles | Mylopoulos, John | Robinson, Bill.
by Filipe, Joaquim | Cordeiro, Jose.
by Abrahamsson, Pekka | Marchesi, Michele | Maurer, Frank.
by Proper, Erik | Dietz, Jan L. G | Harmsen, Frank.
by Albani, Antonia | Barjis, Joseph | Dietz, Jan L. G.
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