Elements of outdoor recreation planning : proceedings of a national short course held in Ann Arbor, Michigan, May 6-16, 1968 Author(s) Driver, B. L.
Ecosystem management in the United States : an assessment of current experience Author(s) Yaffee, Steven L. Phillips, Ali F. Frentz, Irene C. Hardy, Paul W. Maleki, Sussanne M. Thorpe, Barbara E.
Survey of conservation priorities in the Lesser Antilles : Anegada British Virgin Islands : preliminary data atlas
