共 29 条
[1]
Agee J., 1988, Ecosystem management for parks and wilderness
[2]
[Anonymous], STUD EFF MAN POL BAE
[3]
[Anonymous], 1985, DEEP ECOLOGY
[4]
[Anonymous], APPL ECOLOGICAL PRIN
[5]
Bengston D.N., 1994, FORESTERS TOGETHER M, p[57, 94]
[7]
CHOI YK, 2002, FOREIGN CASES NATURA
[8]
CHOI YK, 2001, SUSTAINABLE TOURISM
[9]
CHOI YK, 1995, THESIS AGR U NORWAY
[10]
COLE DN, 1982, INT284 USDA FS