Yoshihiro Kimachi
发表
Akira Terada,
Mitsutoshi Hoshino,
Yoshihiro Kimachi,
1987
.
Two-element superdirective array antenna composed of high-Tc superconducting small helical radiators
Yasuhiro Nagai,
Osamu Ishii,
Naobumi Suzuki,
1992
.