共 8 条
[1]
BATESON W, 1906, REPORTS EVOLUTION CO, V3, P11
[4]
CAREFOOT WC, 1986, BRIT POULTRY SCI, V27, P71
[5]
COTE RS, 1976, THESIS U MASSACHUSET
[6]
Hawksworth D., 1982, BRIT POULTRY STANDAR