Marsh, Wade (2) Kropp-ehrig, Cherie (2) Foster, Charles (1) Moeller, Kristen, Wharton, Leslie Aplin (1) Giuseppe (univ Degli Studi Di Trieste, Italy) Furlan, A A M (oapec, Kuwait) Sayigh, N A (univ Of Catania, Italy) Mancini, Bernhard O (univ Of Arizona, Usa) Seraphin (1)