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