http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
origin and spread of Venezuelan equine encephalomyelitis
Animal and Plant Health Inspection Service.
i, 51 pages : illustrations, maps ; 27 cm.
[prepared by Veterinary Services, Animal and Plant Health Inspection Service, U.S. Department of Agriculture].
Includes bibliographical references (pages 46-48).