@article{25675,
  keywords = {cool roof, Heat Island},
  author = {Paul H Berdahl and Hashem Akbari and Leanna S Rose},
  title = {Aging of reflective roofs: soot deposition},
  year = {2002},
  journal = {Applied Optics},
  volume = {41},
  number = {12},
  pages = {2355-2360},
  url = {http://ao.osa.org/abstract.cfm?URI=ao-41-12-2355},
  language = {eng},
}