@article{Fjortoft:1953:Tellus:5:225,
	author		= "{Fj\o rtoft} , R.",
	year		= "1953",
	title		= "On the changes in the spectral distribution
                           of kinetic energy for two-dimensional,
                           nondivergent flow",
	journal		= "Tellus",
	volume		= "5",
	pages		= "225-230"}
