@article{Orszag:1971:JAS:28:1074,
	author		= "Orszag , S. A.",
	year		= "1971",
	title		= "On the elimination of aliasing in
                           finite-difference schemes by filtering
                           high-wavenumber components",
	journal		= "J. Atmos. Sci.",
	volume		= "28",
	pages		= "1074"}
