1. CEN, 1999. Air quality-determination of odour concentration measurement by dynamic olfactometry, Draft prEN 13725, European Committee for Standardisation, CEN, Brussels.
2. CIGR, 1992. Second Report of Working Group on Climatization of Animal Houses, second ed., Commission Internationale du GJnie Rural, Faculty of Agricultural Sciences, State University of Gent, Belgium.
3. A model of the growth and feed Intake of ad libitum fed animals, particularly poultry;Emmans,1981
4. Growth, body composition and feed intake;Emmans;World Poultry Sci.,1987
5. The growth of turkeys;Emmans,1989