00293nam a2200109Ia 450000500170000000800410001708200140005810000180007224500430009026000420013330000080017520260225051043.0260224s9999||||xx |||||||||||||| ||und||  a636.5 HAW  aD. Hawksworth 0aBritish poultry standards 4th edition   aLondon: Butterworth Scientific c1982  a375