The Democratization of Invention: Patents and Copyrights in American Economic Development, 1790–1920 Autor B. Zorina Khan 11 ian 2009 Paperback Preț: 282.23 lei 6-8 săpt.
Inventing Ideas: Patents, Prizes, and the Knowledge Economy Autor B. Zorina Khan 21 iul 2020 Hardback Preț: 665.66 lei 774.01 lei 45-50 zile -14%