- Author: Seiersen Richard, Hubbard Douglas W.
- Language: English
- Year: 2022
- Author: Hubbard Douglas W
- Language: English
- Year: 2020
- Author: Hubbard Douglas W., Seiersen Richard
- Language: English
- Year: 2016
- Author: Hubbard Douglas W
- Language: English
- Year: 2010
- Author: Hubbard Douglas W
- Language: English
- Year: 2011