Contingency plan for the emergence of naturally occurring BSE in sheep in the United Kingdom national flock = Cynllum Wrth Gefnu pe ceid BSE sy'n bod yn naturial ar ddefaid Diadell Genedlaethol y Deyrnas Unedig.
{England?] : [s.n.],
2001.
Cover title.
English/Welsh text inverted and bound back to back.
"28 September 2001"