ŽIBERT, Marko in KLJAJIĆ, Miroljub, 2006, Modelling parallel service systems in GPSS. Simulation based decision support [na spletu]. 2006. Vol. 39, no. 10, p. 635–651. [Dostopano 22 marec 2025]. Pridobljeno s: http://www.dlib.si/details/URN:NBN:SI:doc-33YL7OLO