共 20 条
[2]
BERGSTEN C, 1988, 15TH P WORLD BUIATR, P1072
[3]
BOUCKAERT J, 1964, 3RD P INT M DIS CATT, P225
[5]
COLAMAINSWORTH P, 1989, VET REC, V125, P573
[7]
DAVID GP, 1986, 5TH P S DIS RUM DIG, P79
[8]
ESSLEMONT RJ, 1990, 6TH P INT S DIS RUM, P237