Hakim, Nadey S. editor. SpringerLink (Online service)

Hewitt, Charles W. editor. Lee, W. P. Andrew. editor. Gordon, Chad R. editor. SpringerLink (Online service)

Bronner, Felix. editor. Farach-Carson, Mary C. editor. Mikos, Antonios G. editor. SpringerLink (Online service)

Urschel, Harold C. editor. Kresl, John J. editor. Luketich, James D. editor. Papiez, Lech. editor. Timmerman, Robert D. editor.

Meyer, Ulrich. author. Wiesmann, Hans Peter. author. SpringerLink (Online service)