The Ethology and ethics of farm animal production : proceedings of the 28th annual meeting, Commission on Animal Management and Health, Session III, IV, held in Brussels, Belgium, August 1977 / edited by D.W. Fölsch. (Animal management ; 6) (EAAP publication ; no. 24)
The Ethology and ethics of farm animal production : proceedings of the 28th annual meeting, Commission on Animal Management and Health, Session III, IV, held in Brussels, Belgium, August 1977 / edited by D.W. Fölsch.