H. Pinkvos, H. Poppa, et al.
Ultramicroscopy
No abstract available.
H. Pinkvos, H. Poppa, et al.
Ultramicroscopy
C.R. Henry, H. Poppa
Zeitschrift für Physik D Atoms, Molecules and Clusters
H. Poppa
Vacuum
T. Vanzandt, R. Browning, et al.
Journal of Electron Spectroscopy and Related Phenomena