Proceedings of the Fourth European Symposium on Poultry Welfare : Edinburgh, September 18th -21st 1993 /
European Symposium on Poultry Welfare(4th :1993 :Edinburgh, Scotland)
Savory, C. J.
Hughes, B. O.
European Federation of the World's Poultry Science Association.Working Group IX.
Universities Federation for Animal Welfare.
Potters Bar : Published for Working Group IX of the European Federation of the World's Poultry Science Federation by Universities Federation for Animal Welfare,
1993.