@misc{1185241,
  author = {J Horlick and J Stevenson},
  title = {Collaborative reference program for color and appearance ::ASTM 60° gloss Report no. 21},
  year = {1977},
  month = {1977-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.77-1321},
  language = {en},
}