National Livestock Breeding Conference : Harrogate, 7, 8 and 9 November, 1962 /
Great Britain.National Agricultural Advisory Service.
Great Britain.Ministry of Agriculture, Fisheries and Food.
National Livestock Breeding Conference(1962 :Harrogate, England)
London : H.M.S.O.,
1963.
[Sponsored by] Ministry of Agriculture, Fisheries and Food. National Agricultural Advisory Service.
Livestock