Viroids and viroid-like pathogens / edited by Joseph S. Semancik. - Boca Raton, Fla. : CRC Press, 1987. - 177 p. : ill. ISBN: 0849360609 LCCN: 88900610 Subjects--Topical Terms: Viroids. LC Class. No.: QR500 / .V57 1987 Dewey Class. No.: 576/.64�19