@book{45964,
	author = {Frost, Michael John.},
	title = {How to use cost benefit analysis in project appraisal /},
	publisher = {Gower Press,},
	year = {1975.},
	address = {Epping :},
	edition = {2nd ed.},
	note = {First ed. published in 1971 under title: Values for money.}
}