@article{Chermain2018AMicrofacet,
  author  = {Chermain, Xavier and Claux, Frédéric and Mérillou, Stéphane},
  title   = {A microfacet-based BRDF for the accurate and efficient rendering of high-definition specular normal maps},
  journal = {The Visual Computer},
  year    = {2018},
  volume  = {36},
  number  = {2},
  pages   = {267--277}
}