@book{83149,
	author = {Proceedings of the Unesco symposium on methods in agroclimatology held at the University of reading},
	title = {Agroclimatological methods = Méthodes agroclimatologiques},
	publisher = {United Nations  Educational Scientific and Cultural Organization,},
	year = {1968.},
	series = {Natural resources research ;},
	address = {Paris, Francia :},
	edition = {1a ed.},
	note = {Traducción de : Ecomomic Theory in Retrospect}
}