@misc{indiciae2a92efe5ed46,
  title = {Outer solar system materials - Ices and color systematics},
  author = {Hartmann, W. K. and Cruikshank, D. P. and Tholen, D. J.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860038323},
  note = {Source identifier: 19860038323}
}