共 10 条
[5]
Gergaud O., 1998, EC PREVISION, V136, P93
[6]
Jones GV, 2001, AGR ECON, V26, P115, DOI 10.1111/j.1574-0862.2001.tb00058.x
[8]
*OFF INT VIN, 2006, RAPP ANN