@book{knuth1984,
  author    = {Donald E. Knuth},
  title     = {The {{\TeX}}book},
  publisher = {Addison-Wesley},
  year      = {1984},
  address   = {Reading, MA}
}

@article{shannon1948,
  author  = {Claude E. Shannon},
  title   = {A Mathematical Theory of Communication},
  journal = {Bell System Technical Journal},
  volume  = {27},
  number  = {3},
  pages   = {379--423},
  year    = {1948}
}