1. “Foundations of Scenario Planning: the Story of Pierre Wack”;Chermack,2017
2. Opening the ‘black box’ of scenario planning through realist synthesis;Frith;Technol. Forecast. Soc. Change,2020
3. “Historical perspectives of societal change and the use of scenarios at shell”, chapter 8;Jefferson,1982
4. “Economic uncertainty and business decision-making”, chapter 8;Jefferson,1983
5. “Shell scenarios: what really happened in the 1970s and what may be learned for current world prospects;Jefferson;Technol. Forecast. Soc. Change,2012