Outdoor Recreation in American Life: A National Assessment of Demand and Supply Trends
Cordell, H. Ken/McKinney, Susan M./Betz, Carter J./Bowker, J. M./English, Donald B. K./Mou, Shela H./Bergstrom, John C./Teasley, R. Jeff/Tarrant, Michael/Loomis, John/Cordell, H. Ken