@book{287745,
	author = {United States.},
	title = {Censo de agricultura de Puerto Rico de 1987 :},
	publisher = {Departamento de Comercio de los Estados Unidos, Negociado del Censo,},
	year = {1988.},
	address = {[Washington, D.C.] :},
	note = {"Forma 87-A10(PR)."},
	url = {http://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=146-A&SYS=000273951}
}