Nobutomo Uehara, Kazuhisa Sueoka. Atomic Force Spectroscopy to investigate tip-sample interactions. The 3rd International Symposium on Ubiquitous Knowledge Network Environment. 2006
Nobutomo Uehara, Kazuhisa Sueoka. Tip to sample distance dependence of frequency shift in non-contact atomic force microscopy. The 2nd International Symposium on Ubiquitous Knowledge Network Environment. 2005