AHWX - Marsh,R.F.; Malone,T.G.; Semancik,J.S.; Lancaster,W.D.; Hanson,R.P. - Evidence for an essential DNA component in the Scrapie agent - Nature 1978 Sep 14; 275(5676): 146-7
ASCX - Marsh,R.F.; Malone,T.G.; Lancaster,W.D.; Hanson,R.P.; Semancik,J.S. - Scrapie: virus, viroid, or voodoo? pp. 581-90. - In: Stevens,J.G., et al., ed. Persistent viruses. New York, Academic Press, 1978. W3 I322 v.11 1978.: 581-90