@book{clrs2009,
  author    = {Thomas H. Cormen and
               Charles E. Leiserson and
               Ronald L. Rivest and
               Clifford Stein},
  title     = {Introduction to Algorithms, 3rd Edition},
  publisher = {{MIT} Press},
  year      = {2009},
  url       = {http://mitpress.mit.edu/books/introduction-algorithms},
  isbn      = {978-0-262-03384-8},
}
