@book{51608,
	author = {Study Week on: A Modern Approach to the Protection of the Environment and Marini-Bettòlo, G. B.},
	title = {Study Week on A Modern Approach to the Protection of the Environment},
	publisher = {Pontificia Academia Scientiarum},
	year = {1989.},
	series = {Pontificiae Academiae Scientiarum scripta varia},
	address = {Città del Vaticano},
	note = {Title on spine: A modern approach to the protection of the environment.}
}