- Author: Jun-ichi Igusa
- Language: English
- Year: 2011
- Author: Kiyoshi Igusa
- Language: English
- Year: 2010
- Author: Kiyoshi Igusa
- Language: English
- Year: 2011
- Author: Kiyoshi Igusa
- Language: English
- Year: 2020
- Author: Kiyoshi Igusa
- Language: English
- Year: 2021
- Author: Kiyoshi Igusa
- Language: English
- Year: 2009
- Author: Kiyoshi Igusa
- Language: English
- Year: 2019
- Author: Kiyoshi Igusa
- Language: English
- Year: 2008
- Author: Kiyoshi Igusa
- Language: English
- Year: 2007
- Author: Kiyoshi Igusa
- Language: English
- Year: 2002