Maramorosch, Karl [e.d.] Subviral Pathogens of Plants and Animals: Viroids and Prions edited by Karl Maramorosch and John J. McKelvey, Jr. - New York Academic Press 1985 - xiv, 550p ISBN: 9780124702301 Subjects--Index Terms: Viroids Prions Dewey Class. No.: 571.9