Tianruo Yang, Zebo Peng: Incremental Testability Analysis for Design Transformations. Accepted for IEEE NORCHIP-97, Tallinn, Estonia, November, 1997. Erik Larsson, Zebo Peng: Early Prediction of Testability by Analyzing Behavioral VHDL Specifications. Accepted for IEEE NORCHIP-97, Tallinn, Estonia, November, 1997. Mikael Lindvall: Impact Analysis - A Case Study. Presented at the Workshop on Empirical Studies of Software (WESS) 1996 was sele cted for publication in Empirical Studies of Software Engineering - An=20 Int ernational Journal.