@book{11519,
	author = {Ecole Pratique Des Hautes Etudes},
	title = {Political economy of environment},
	publisher = {Mouton},
	year = {1972},
	address = {Paris},
	note = {Papers presented at the symposium held at Marison des Science de I'Homme, Paris 5-8 July, 1971-MCML XXII}
}