Study Week on a Modern Approach to the Protection of the Environment: Nov 2-7, 1987: Proceedings (Pontifical Academy of Sciences, 75) - Hardcover

Marini-Bettolo, G. B.

 
9780080408163: Study Week on a Modern Approach to the Protection of the Environment: Nov 2-7, 1987: Proceedings (Pontifical Academy of Sciences, 75)