@book{111406,
	author = {Andic, Fuat M.},
	title = {Secular tendencies in the inequality of earnings in Puerto Rico},
	publisher = {Universidad de Puerto Rico},
	year = {1977.},
	address = {Río Piedras, P.R.},
	note = {Offprint of Review of social economy, vol. 34, no. 1 of April 1976.}
}