Rex Berridge Robert M. Averill III Arnold E. Barish Michael A. Bowen Peter J. Camporese Jack DiLullo Peter E. Dudley Joachim Keinert David W. Lewis Robert D. Morel Thomas Rosser Nicole S. Schwartz Philip Shephard Howard H. Smith Dave Thomas Phillip J. Restle John R. Ripley Stephen L. Runyon Patrick M. Williams 685-714 2007 51 IBM Journal of Research and Development 6 http://dx.doi.org/10.1147/rd.516.0685 db/journals/ibmrd/ibmrd51.html#BerridgeABBCDDKLMRSSSTRRRW07