@book{EngelnMuellgesUhlig1996,
  author    = {Engeln-M{\"u}llges, Gisela and Uhlig, Frank},
  title     = {Numeric Algorithms with Fortran},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-60529-0},
  pages     = {XXII, 602 S. : Ill., graph. Darst. + 1 CD-ROM},
  year      = {1996},
  language  = {en}
}
@book{EngelnMuellgesUhlig1996,
  author    = {Engeln-M{\"u}llges, Gisela and Uhlig, Frank},
  title     = {Numerical algorithms with C},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-60530-0},
  pages     = {XXII, 596 S. : graph. Darst. + 1 CD-ROM},
  year      = {1996},
  language  = {en}
}