What is the Reddening Effect and does it really exist?

Olaf Clausen, Ricardo Marroquim, Arnulph Fuhrmann, Holger Weigand. What is the Reddening Effect and does it really exist?. In Reinhard Klein, Holly E. Rushmeier, editors, Eurographics Workshop on Material Appearance Modeling, held in conjunction with the 30th Eurographics Symposium on Rendering, MAM@EGSR 2019, Strasbourg, France, July 9, 2019. pages 27-30, Eurographics Association, 2019. [doi]

@inproceedings{ClausenMFW19,
  title = {What is the Reddening Effect and does it really exist?},
  author = {Olaf Clausen and Ricardo Marroquim and Arnulph Fuhrmann and Holger Weigand},
  year = {2019},
  doi = {10.2312/mam.20191309},
  url = {https://doi.org/10.2312/mam.20191309},
  researchr = {https://researchr.org/publication/ClausenMFW19},
  cites = {0},
  citedby = {0},
  pages = {27-30},
  booktitle = {Eurographics Workshop on Material Appearance Modeling, held in conjunction with the 30th Eurographics Symposium on Rendering, MAM@EGSR 2019, Strasbourg, France, July 9, 2019},
  editor = {Reinhard Klein and Holly E. Rushmeier},
  publisher = {Eurographics Association},
  isbn = {978-3-03868-080-2},
}