S. Hasegawa

发表

Shu Hasegawa, Kaneyasu Nishikawa, K. Nishikawa, 1963 .

S. Hasegawa, F. Kawaizumi, S. Koda, 1988 .

S. Hasegawa, Keisuke Yoshioka, 1975 .

Akihiko Shimizu, Shu Hasegawa, Shuichi Torii, 1991 .

Ryozo Echigo, S. Hasegawa, T. Takegawa, 1973 .

Ryozo Echigo, S. Hasegawa, T. Toshiyuki, 1973 .

Shu Hasegawa, Kenji Fukuda, Akihiko Kato, 1984 .