@book{71330,
	author = {Eastman, Samuel Ewer. and Marx, Daniel and University of Puerto Rico Rio Piedras campus},
	title = {Ships and sugar},
	publisher = {University of Puerto Rico Press},
	year = {1953.},
	address = {Río Piedras, P. R.},
	note = {"Final report of the External Transportation Project ... the [University of Puerto Rico] Social Science Research Center."}
}