@article{westley2011tipping,
  title = {Tipping Toward Sustainability: Emerging Pathways of Transformation}
  author = {Westley, Frances and Olsson, Per and Folke, Carl and Homer-Dixon, Thomas and Vredenburg, Harrie and Loorbach, Derk and Thompson, John and Lambin, Eric and Sendzimir, Jan and Banerjee, Banny and Galaz, Victor},
  journal = {AMBIO},
  year = {2011}
}