1. Aalborg University . 2009 .Vision of the PBL & Sustainability Center[online], Centre for PBL and Sustainability, Aalborg University, Aalborg (available at: http://www.pbl-sus.plan.aau.dk/Vision) (accessed on 14 January 2012)
2. Bordass , B. Built environment professionals in the UK: 40 years back, 40 years on? SB11 Keynote presented at Proceedings of the World Sustainable Building Conference (SB11) . 18–21 October 2011 , Helsinki , Finland.
3. Brett-MacLean , P. , Casavant , M. , Serviss , S. and Cruz , A. 2011 .Shadowing Artists on the Wards: An Undergraduate, Arts-Based Medical Elective[online], Hektoen International, Chicago, IL (available at: http://www.hektoeninternational.org/Shadowing-artists.html) (accessed on 1 February 2012)