共 21 条
[2]
Anastasi A., 1955, Zoologica New York, V40, P33
[3]
Archer J., 1979, P56
[5]
BEHAVIORAL REQUIREMENTS NECESSARY FOR GUIDE DOGS FOR BLIND IN UNITED-KINGDOM
[J].
BRITISH VETERINARY JOURNAL,
1972, 128 (09)
:477-&
[6]
BRACE CL, 1965, THESIS HARVARD U