Ken'ichi Hokao

Higashi Nihon Daishinsai to Ge

Higashi Nihon Daishinsai to Genpatsu Jiko

2012

Rōdō hogohō no Kenkyū

Rōdō hogohō no Kenkyū

1994

Danketsuken shingai to sono ky

Danketsuken shingai to sono kyūsai

1985

Jinken to shihō

Jinken to shihō

1984

Futō rōdō kōi no hōri

Futō rōdō kōi no hōri