共 21 条
[4]
*GA DEP COMM, 1988, GEOGR IND DIR
[5]
*GA PUBL SERV COMM, 1988, HIGHW RAT BAS NUMB
[7]
GREEN W, 1990, ECONOMETRIC ANAL, P707
[8]
HOARE AG, 1985, PROGR IND GEOGRAPHY
[10]
MADDALA GS, 1983, ECONOMETRIC SERIES M