H. Seidel, F. Hentsch, et al.
EPL
No abstract available.
H. Seidel, F. Hentsch, et al.
EPL
Th. Von Waldkirch, K.A. Müller, et al.
Physical Review B
E. Šimánek, K.A. Müller
Journal of Physics and Chemistry of Solids
J.G. Bednorz, K.A. Müller
Japanese Journal of Applied Physics