XGKS - A Multitask Implementation of GKS. - Iván Herman; Tibor Tolnay-Knefély; Árpád Vincze (Eurographics, 1983)

XGKS–A multitask implementation of GKS. - Iván Herman; Tibor Tolnay-Knefély; A. Vincze (Comput. Graph., 1984)

A concept for a GKS machine. - Iván Herman; János Reviczky; Tibor Tolnay-Knefély (Comput. Graph., 1986)

Three-dimensional graphic standards and CGI. - Iván Herman; Tibor Tolnay-Knefély; János Reviczky; F. L. Westhoff (Comput. Graph., 1988)