@book{abrahams99tex,
  author          = {Paul W. Abrahams and Karl Berry and Kathryn A. Hargreaves},
  title           = {{\TeX} for the Impatient},
  publisher       = {Addison-Wesley},
  year            = 1990,
}

@book{salomon1995advanced,
  author          = {David Salomon},
  title           = {The advanced {\TeX}book},
  address         = {New York},
  publisher       = {Springer},
  year            = 1995,
}