H.W.K. Tom, C.M. Mate, et al.
Physical Review Letters
No abstract available.
H.W.K. Tom, C.M. Mate, et al.
Physical Review Letters
F.J. Himpsel, T.F. Heinz, et al.
Applied Surface Science
T.F. Heinz, T. Suzuki
Proceedings of SPIE 1989
J.M. Atkin, E. Cartier, et al.
Applied Physics Letters