@book{220174,
	author = {Puerto Rico Development Group. and Junta de Calidad Ambiental de Puerto Rico.},
	title = {Environmental planning guidelines for aircraft noise},
	publisher = {Puerto Rico Development Group},
	year = {1974.},
	address = {Hato Rey, P.R.},
	note = {"Prepared for Commonwealth of Puerto Rico, Environmental Quality Board, Planning Board, and Department of Housing."}
}