共 15 条
[1]
ALTMAN EI, 1981, APPLICATION CLASSIFI
[2]
AMEL DF, 1987, 871 BOARD GOV FED RE
[5]
CAVES RE, 1980, 19802 NEW YORK U GRA
[6]
DEMSETZ H, 1973, J LAW ECON, P1
[7]
Hartigan JA., 1975, CLUSTERING ALGORITHM
[8]
HAYES SL, 1983, COMPETITION INVESTME