Naoki Shirakawa, Keizo Murata, et al.
Journal of the Physical Society of Japan
No abstract available.
Naoki Shirakawa, Keizo Murata, et al.
Journal of the Physical Society of Japan
Yoshiteru Maeno, Koji Yoshida, et al.
Journal of the Physical Society of Japan
Yoshiteru Maeno, Frank Lichitenberg, et al.
Japanese Journal of Applied Physics
K. Alex Müller, J. Georg Bednorz
Science