共 32 条
[2]
Black F, 1976, P AM STAT ASS, P177
[5]
COX JSG, UNPUBLISHED
[6]
Fama E., 1974, J FINANC ECON, V1, P43, DOI DOI 10.1016/0304-405X(74)90008-7
[9]
FRIEND I, 1970, AM ECON REV, V60, P561