1. Brundtland Report Our Common Future;World Commission on Environment and Development — WCED,1987
2. Toenemende zorgvraag afnemende beroepsbevolking, oplossingen? Internal presentation at TNO department of Innovation and environment;Perenboom,2008
3. Duurzaamheid: van onderstroom naar draaggolf – op de rand van een doorbraak;Rotmans,2007
4. Healthcare sustainability and the challenges of innovation to biopharmaceuticals in Canada;Rosenberg-Yunger;Health Policy,2008
5. N.A. Ashford, Innovation – the pathway to threefold sustainability. Published in The Steilmann Report: The wealth of people: An intelligent economy for the 21st century. Brainduct – digital edition, 2001, p.233–274.