BRATINA, Gvido, HUDEJ, Robert, ZAVRTANIK, Marko in BROWNELL, John Nimly, 2001, Electrical conductivity in 3,4,9,10-perylenetetracarboxylic dianhidride (PTCDA). [na spletu]. 2001. Vol. 35, no. 3/4, p. 151–155. [Dostopano 29 marec 2025]. Pridobljeno s: http://www.dlib.si/details/URN:NBN:SI:DOC-9KUT5LJB