%0 Journal Article %K cool roof %K Heat Island %A Paul H Berdahl %A Hashem Akbari %A Leanna S Rose %B Applied Optics %D 2002 %G eng %P 2355-2360 %T Aging of reflective roofs: soot deposition %U http://ao.osa.org/abstract.cfm?URI=ao-41-12-2355 %V 41