@article {5497,
	title = {The European Common Reference Levels and the Portfolio },
	journal = {Babylonia},
	volume = {1},
	year = {1999},
	pages = {25-28},
	keywords = {CEF, levels, portfolio},
	url = {http://www.babylonia-ti.ch/BABY91_00/baby199.htm},
	author = {North, B.}
}
