Bartel Van De Walle

By Bartel Van De Walle, Murray Turoff, Starr Roxanne Hiltz

Edited By Steven Van de Walle, Sandra Groeneveld

Edited By Judith van Erp, Wim Huisman, Gudrun Vande Walle

By Etienne Van De Walle

By Derek L. Waller

Edited By G. D'ydewalle, Willy Lens

Edited By Walter Schaeken, Gino De Vooght, Andr‚ Vandierendonck, G‚ry d'Ydewalle, Gery d'Ydewalle

By Alf Walle

By Alf H. Walle

By Paul Bertelson, Paul Eelen, Gery d'Ydewalle

Edited By Walter Schaeken, Andre Vandierendonck, Walter Schroyens, Gery d'Ydewalle, Karl C. Klauer

Edited By Qicheng Jing, Mark R. Rosenzweig, Gery d'Ydewalle, Houcan Zhang, Hsuan-Chih Chen, Kan Zhang