%0 Journal Article
%T Using the Contingent Grouping Method to Value Forest Attributes
%A Pere Riera
%A Joan Mogas
%A Raul Brey
%J ISRN Forestry
%D 2013
%I Hindawi Publishing Corporation
%R 10.1155/2013/359584
%U http://dx.doi.org/10.1155/2013/359584