3M, A Century of Innovation: The 3M Story (3M, 2003), p. 68. – Прим. авт.
330
Ibid., p. 19. – Прим. авт.
331
Ibid. – Прим. авт.
332
Ibid., p… 38. – Прим. авт.
333
«Podcast: Art Fry’s Invention Has a Way of Sticking Around,» Smithsonian Lemelson Center, May 20, 2008, http://invention.smithsonian.org/video/vid-popup.aspx?clip=1&id=518. – Прим. авт.
