- Author: Buchholz Martin, Bungartz Hans-Joachim, Le Borne Richard, Le Borne Sabine, Pflüger Dirk, Zimmer Stefan
- Language: English
- Year: 2016
- Author: Buchholz Martin, Bungartz Hans-Joachim, Le Borne Richard, Le Borne Sabine, Pflüger Dirk, Zimmer Stefan
- Language: English
- Year: 2016
- Author: Todd G. Buchholz Martin Feldstein
- Language: English
- Year: 2007