![](/img/cover-not-exists.png)
observed by optical measurements
Kircher, J., Brücher, E., Schönherr, E., Kremer, R. K., Cardona, M.Volume:
46
Language:
english
Journal:
Physical Review B
DOI:
10.1103/PhysRevB.46.588
Date:
July, 1992
File:
PDF, 159 KB
english, 1992