S.H. Lu, Z.Q. Wang, et al.
Physical Review B
No abstract available.
S.H. Lu, Z.Q. Wang, et al.
Physical Review B
F. Jona, G. Mandel
Journal of Physics and Chemistry of Solids
D. Westphal, A. Goldmann, et al.
Solid State Communications
R. Mayer, Chun-Si Zhang, et al.
Physical Review B