%0 Journal Article %K Pyranometer %K Albedo %K Roofing aggregate %K Solar reflectometer %A Ronnen M Levinson %A Sharon S Chen %A Paul H Berdahl %A Pablo J Rosado %A Louis A Medina %B Solar Energy %D 2014 %P 159-171 %R 10.1016/j.solener.2013.11.006 %T Reflectometer measurement of roofing aggregate albedo %V 100 %8 02/2014