R. Beyers, C.-H. Kiang, et al.
Nature
No abstract available.
R. Beyers, C.-H. Kiang, et al.
Nature
J.A. Sidles, J.L. Garbini, et al.
Reviews of Modern Physics
B.C. Stipe, H.J. Mamin, et al.
Physical Review Letters
C.S. Yannoni, H.E. Bleich
The Journal of Chemical Physics