@book{4999,
	author = {Organización de Cooperación y Desarrollo Económico},
	title = {STAN R&D: Research and development expenditure in industry - ISIC Rev. 4 (Edition 2018)},
	publisher = {OECD Publishing.},
	address = {Paris :},
	url = {https://doi.org/10.1787/d2cf9ac2-en},
}