By Berck P.   Roberts M.   in Journal of Environmental Economics and Management

ISSN:0095-0696|31|1|65-78

Academic Press‎(1996)‎

Access to resources Favorite 11.985336

By Berck P.   Costello C.   Fortmann L.   Hoffmann S.   in Forest Science

ISSN:0015-749X|49|5|763-777

Society of American Foresters‎(2003)‎

Access to resources Favorite 7.7101526