Analyses of Patient-Oriented, Equipment-Bound Activities in the Hospital. - U. Gessner; R. Welter; H. Kuenzli; B. Horisberger; Eberhard Ulich (Int. J. Man Mach. Stud., 1977)

PEARL-Implementierung eines konfigurierbaren und parametrierbaren Automatisierungsgeräts. - R. Welter; Georg Thiele; Dobrivoje Popovic; E. Wendland; Lothar Renner; H. J. Beestermöller; J. Trost (PEARL, 1992)

A pearl-based multi-loop and multi-sequence controller. - R. Welter; Georg Thiele; Dobrivoje Popovic; E. Wendland (Microprocess. Microprogramming, 1992)

TeleMEDiana - telesurgery and telemedicine via satellite networks. - S. Dobrosavljevic; R. Welter (CARS, 2001)