@article{Greenwade93,
    author  = "George D. Greenwade",
    title   = "The {C}omprehensive {T}ex {A}rchive {N}etwork ({CTAN})",
    year    = "1993",
    journal = "TUGBoat",
    volume  = "14",
    number  = "3",
    url     = {https://www.tug.org/TUGboat/tb14-3/tb40green.pdf},
    pages   = "342--351"
}

@book{Knuth86,
  title={The {\TeX}book},
  author={Knuth, Donald Ervin},
  volume={1993},
  year={1986},
  isbn={0201134470},
  publisher={Addison Wesley}
}