1. Round table on infectious bovine rhinotracheitis/infectious pustular vulvovaginitis virus infection diagnosis and control;Ackermann;Veterinary Microbiology,1990
2. Failure of embryos from bluetongue infected cattle to transmit virus to susceptible recipients or their offspring;Acree;Theriogenology,1991
3. Viruses associated with bovine serum;Afshar;Veterinary Bulletin,1990
4. Enzootic (Chlamydial) Abortion in Diseases of Sheep;Aitken,1991
5. Anon, (1991). News Release 2 September MAFF.