1. S. Iijima, "Helical microtubules of graphitic carbon," Nature 354, 56-58 (1991) 10.1038/354056a0
2. W. A. de Heer, A. Chatelain, and D. Ugarte, "A carbon nanotube field-emission electron source," Science 270, 1179-1180 (1995) 10.1126/science.270.5239.1179
3. J. E. Mahon, Physical Vapor Deposition of Thin Films, Wiley, New York, NY (2000).
4. C. V. Thompson and R. Carel, "Stress and grain growth in thin films," J. Mech. Phys. Sol., 44, 657-673 (1996) 10.1016/0022-5096(96)00022-1
5. H. Windischmann, "Intrinsic stress in sputtered thin films," J. Vac. Sci. Technol. A, 9, 2431-2437 (1991) 10.1116/1.577295