Benchmark problems for continuum radiative transfer - High optical depths, anisotropic scattering, and polarisationC. Pinte, T. J. Harries, M. Min, A. M. Watson, C. P. Dullemond, P. Woitke, F. Ménard and M. C. Durán-RojasA&A, 498 3 (2009) 967-980DOI: https://doi.org/10.1051/0004-6361/200811555