Ruigrok, Rob WH; Crépin, Thibaut; Kolakofsky, Dan (2011). “Nucleoproteins and nucleocapsids of negative-strand RNA viruses”. Current Opinion in Microbiology. 14 (4): 504–510. doi:10.1016/j.mib.2011.07.011. PMID21824806.
Ruigrok, Rob WH; Crépin, Thibaut; Kolakofsky, Dan (2011). “Nucleoproteins and nucleocapsids of negative-strand RNA viruses”. Current Opinion in Microbiology. 14 (4): 504–510. doi:10.1016/j.mib.2011.07.011. PMID21824806.