@book{133374,
	author = {Unesco and Intergovernmental Conference of Experts on the Scientific Basis for Rational Use and Conservation of the Resources of the Biosphere,},
	title = {Use and conservation of the biosphere :},
	publisher = {Unesco,},
	year = {1970.},
	series = {Natural resources research, 10},
	address = {Paris  :}
}