TORRANCE, D. A. W.; TOMLINSON, D. B. Patents and the Regress of Useful Arts. Science and Technology Law Review, [S. l.], v. 10, 2009. DOI: 10.7916/stlr.v10i0.3835. Disponível em: https://journals.library.columbia.edu/index.php/stlr/article/view/3835. Acesso em: 27 oct. 2020.