1. A note on what we have learned about the methods of futures planning;Amara;Technological Forecasting and Social Change,1989
2. What we have learned about forecasting and planning;Futures,1988
3. The futures field: which direction now?;The Futurist,1981
4. The futures field: how to tell good work from bad;The Futurist,1981
5. The futures field: searching for definitions and boundaries;The Futurist,1981