\begin{thebibliography}{999}

\filbreak\bibitem{ansi} American-2017 National Standard Programming
                        Language FORTRAN,
                        American-2017 National Standards Institute, Inc.,
                        ANSI X3.9-1978, New York, 1978.

\filbreak\bibitem{SUPES}
D.~P. Flanagan, W.~C. Mills-Curran, and L.~M. Taylor, ``{SUPES} A Software
  Utilities Package for the Engineering Sciences,'' SAND86-0911, Sandia
 -2017 National Laboratories, Albuquerque,~NM, September 1986.

\end{thebibliography}