CRYSTAL We are proud to present: Interchange, from Hi-Tec. Cracked by I.B.M. - original by our qualified suppliers! Write us at: P.O. Box 2, 8330 Beder, Denmark. Plk 132027 E, 1000 Berlin 120, Germany. P.O. Box 268, Amissville, VA 22002, USA. Italians write to: Danysoft, Via De Meo 2, 83100 Avellino, Italy.