Andrews, ., P.J. Sheridan, M. Fiebig, A. McComiskey, J. Ogren, W.P. Arnott, D. Covert, R. Elleman, R. Gasparini, D. Collins, H.H. Jonsson, B. Schmid, and J. Wang (2006), Comparison of methods for deriving aerosol asymmetry parameter, J. Geophys. Res., 111.