@book{10184,
	author = {Friend, Irwin. and American Telephone and Telegraph Company.},
	title = {Risk and return in finance /},
	publisher = {Ballinger Pub. Co,},
	year = {c1977.},
	address = {Cambridge, Mass. :},
	note = {"Thirteen of the seventeen papers in these two volumes were originally presented at a Conference on Risk and the Rate of Return sponsored by the American Telephone and Telegraph Company and held in Vail, Colorado, during August 5-10, 1973."}
}