共 13 条
[1]
CLAWSON M, 1962, 24 OUTD RECR RES REV, P71
[2]
Clawson M., 1966, ECONOMICS OUTDOOR RE
[3]
FRICK GE, 1970, J LEISURE RES, V2, P260
[4]
Garrison C. B., 1972, Land Economics, V48, P329, DOI 10.2307/3145309
[5]
Isard W., 1960, METHODS REGIONAL ANA
[6]
KITE RC, 1967, RJ11 U WY AGR EXPT S
[7]
MAPP HP, 1970, OKLAHOMA CURRENT FAR, V43, P23
[8]
MCGUIRE MC, 1969, PPB SYSTEM, V1, P592
[9]
MOORE AL, 1962, 24 OUTD RECR RESOURC, P97
[10]
PFOUTS RW, 1960, TECHNIQUES URBAN ECO