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Author (up) Title Year Publication Volume Pages
Graefe,A.R.; Burns,R.C. Oregon dunes national recreation area, USA: a trend examination of trip characteristics, crowding, and satisfaction levels (2002, 2006, and 2011) 2014 The 7th International Conference on Monitoring and Management of Visitors in Recreational and Protected Areas: Local Community and Outdoor Recreation MMV 7 - Proceedings 251