1. [1] M.C. Lemme, T.J. Echtermeyer, M. Baus, B.N. Szafranek, J. Bolten, M. Schmidt, T. Wahlbrink, H. Kurz, Sol.State.Elec, 52, 514 – 518 (2008)
2. [2] Fengnian Xia, Damon B. Farmer, Yu-ming Lin, Phaedon Avouris, Nano Lett. 10, 715-718 (2010)
3. [3] Dacheng Wei, Yunqi Liu, Yu Wang, Hongliang Zhang, Liping Huang, Gui Yu, Nano Lett, 9, No,5 (2009)
4. [4] Mark P. Levendorf, Carlos S. Ruiz-Vargas, Shivank Garg, Jiwoong Park, Nano Lett. 9, 4479-4483 (2009)
5. [5] K. Fredenhagen, G. Cadenbach, Allg. Chem , 158, 249 (1926)