共 110 条
[1]
Abraham J.E., 2002, INVESTIGATION CYCLIN
[3]
[Anonymous], CLOSE IS CLOSE ENOUG
[4]
Arnberger, 2004, ADV TOURISM CLIMATOL, V12, P189
[5]
Aultman-Hall L., 1997, Transportation Research Record: Journal of the Transportation Research Board, V1578, P102
[8]
BAMBERG S, 1994, KOLNER Z SOZIOL SOZ, V46, P80
[10]
Banister C, 1999, REG STUD, V33, P274