by Nikias, Chrysostomos L | Petropulu, Athina P.
by Stankovic, Radomir S | Astola, Jaakko | Karpovsky, Mark G.
by Wiesendanger, Roland.
by Berg, Norman J.
by Campisi, Patrizio | Egiazarian, Karen.
by Eccles, William J.
by Roduner, Emil.
by Li, Ta Hsin.
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