Building computers in Serbia: The first half of the digital century. - Jelica Protic; Dejan Ristanovic (Comput. Sci. Inf. Syst., 2011)

Once Upon a Pocket: Programmable Calculators from the Late 1970s and Early 1980s and the Social Networks Around Them. - Dejan Ristanovic; Jelica Protic (IEEE Ann. Hist. Comput., 2012)