@book{5070,
	author = {Organización de Cooperación y Desarrollo Económico},
	title = {Research and Development Statistics: R-D expenditure by sector of performance and type of R-D (1963-1980)},
	publisher = {OECD Publishing.},
	address = {Paris :},
	url = {https://doi.org/10.1787/2448a8a8-en},
}