@book{EngelnMuellgesNiederdrenk1996,
  author    = {G. Engeln-M{\"u}llges and K. Niederdrenk},
  title     = {Fortran 90 - mit Fortran 95},
  volume    = {rororo 229},
  isbn      = {3-499-19826-6},
  year      = {1996},
}