The naked intruder
Subtitle: USDA and the discovery of the viroid
By: [by Stephen M. Berberich]
Contributors: United States. Agricultural Research Service
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service; National Technical Information Service [distributor
Published: 1989
Place of publication: Washington, DC?]; Springfield, VA
Language: eng
Number of pages: 39
Subjects: Identification; Viroids; Viruses
Notes: Cover title.

Includes bibliographical references (p. 38).