@book{142555,
	author = {Rudolph, Heinz P. and World Bank.},
	title = {Financial sector dimensions of the Colombian pension system},
	publisher = {World Bank,},
	year = {c2007.},
	series = {World Bank working paper,},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10180743}
}