Junsoo Kim, Seungbum Hong, Hyungsoo Ko, Dong-Ki Min, Hongsik Park, Juhwan Jung, Byung-Gook Park, Jong Duk Lee, and Hyungcheol Shin, “Nano-scale Resistive Probe Tip with High Resolution,” The 13th Korean Conference on Semiconductors, Jaeju, Korea, pp. 761-762, Feb. 23-24, 2006