共 5 条
[1]
CARTER RL, 168 U FLOR DEP STAT
[2]
Eng HJ, 1990, J PHARM MARK MANAGE, V4, P15
[3]
FLOHRS WJ, 1989, LILLY DIGEST, P8
[4]
PAVB S, 1970, ECONOMETRICA, V38, P311
[5]
SHOEMYEN AH, 1985, FLOR STAT ABSTR, P8