at 4.5 and 6
Crennell, David J., Gordon, Howard A., Lai, Kwan-Wu, Louie, James, Scarr, J. Michael, Sims, W. H.Volume:
26
Language:
english
Journal:
Physical Review Letters
DOI:
10.1103/PhysRevLett.26.1280
Date:
May, 1971
File:
PDF, 795 KB
english, 1971