The ORV [off-road recreational vehicle] phenomenon: management: impact: The Ballinger Canyon designated motorcycle trail system [Los Padres National Forest, land degradation; California].
1980
Wilshire H.G.
书目信息
语言
英语
注释
ill. 4 ref.
类型
Journal Article
团体作者
United Nations Environment Programme, Nairobi (Kenya).
2012-11-15
AGRIS AP
