1. and Real options: Managing strategic investment in an uncertain world, Harvard Business School Press, Boston, 1999.
2. and Organizational learning: A theory of action perspective, Addison-Wesley, Reading, MA, 1978.
3. Framing strategic tradeoffs between traditional and virtual organizations and workspaces, Proc IFAC Symp Anal Model Eval Hum-Machine Syst, September 2004.
4. The value and impact of mobile information and communication technologies, Proc IFAC Symp Anal Model Eval Hum-Machine Syst, September 2004.