@book{111287,
	author = {Puerto Rico.},
	title = {Manufactura de puertas y ventanas... = Manufacture of doors and windows..., 19- .},
	publisher = {División de Análisis de Salarios y Estudios Ocupacionales...},
	year = {19- .},
	address = {[San Juan, P.R.]},
	note = {Included appendices and explanatory notes.}
}