↑ Report of the United Nations Conference on the Human Environment, Stockholm, 5-16 June 1972, chapter 6, section 5, accessed 14 September 2019 ↑ "Archived copy". Archived from the original on October 17, 2013. Retrieved September 17, 2014.{{cite web}}: CS1 maint: archived copy as title (link) ↑ Strong, Maurice; Introduction by Kofi Annan (2001).