@book{72135,
	author = {Zakon, Alan J. and Kwang Wu, Hsiu},
	title = {Elements of investments  selected readings},
	publisher = {Holt, Rinehart and Winston},
	year = {1965},
	address = {Nueva York (Estados Unidos)},
	note = {Donación Dr. Álvaro Daza Roa.}
}