African swine fever
Subtitle: an expanding threat to American hogs
Edition: [Rev. June 1979, slightly rev. June 1980.]
Series: Program aid ; no. 817; Program aid (United States. Dept. of Agriculture) -- no. 817
Publisher: Dept. of Agriculture, [Animal and Plant Health Inspection Service, Veterinary Services
Published: 1980
Place of publication: [Washington]
Language: eng
Subjects: African swine fever
Notes: Information incorrect as to sale by the Supt. of Docs., U.S. Govt. Print. Off