共 35 条
[2]
ALLEN S, 1988, MONTANA BIOECONOMICS
[3]
*AM AUT ASS, 1996, YOUR DRIV COSTS 1996
[4]
[Anonymous], 1984, SAGE U PAPER SERIES
[5]
[Anonymous], 1994, REV AGR ECON, DOI DOI 10.2307/1349520
[6]
[Anonymous], 1991, BENEFITS LEISURE
[8]
BORRIE WT, 1999, WINTER VISIT VISITOR
[10]
BRYAN H, 1979, J LEISURE RES, V11, P174