Wexner, Steven D. author. Zbar, Andrew P. author. Pescatori, Mario. author. SpringerLink (Online service)

Leidenberger, Freimut. editor. Strowitzki, Thomas. editor. Ortmann, Olaf. editor. SpringerLink (Online service)

Becker, Horst-Dieter. editor. Stenzl, Arnulf. editor. Wallwiener, Diethelm. editor. Zittel, Tilman T. editor. SpringerLink (Online service)

Nissen, Gerhardt. editor. Csef, Herbert. editor. Berner, Wolfgang. editor. Badura, Frank. editor. SpringerLink (Online service)