@book{1987:nelson,
    author = {Edward Nelson},
    title = {Radically Elementary Probability Theory},
    publisher = {Princeton University Press},
    year = {1987}
}

@book{kurose2013redes,
  title={Redes de computadores e a internet: uma abordagem top-down},
  author={Kurose, J.F. and Ross, K.W.},
  isbn={978-85-8143-677-7},
  year={2013},
  publisher={Pearson}
}