Before revision: The three dimensions paradigm has few theoretical foundations, although "the popular three circles diagram appears to have been first presented by Barbier (EnvironConserv 14:101, doi: 10.1017/s0376892900011449, 1987)" ,
After revision: The three dimensions paradigm has few theoretical foundations. although "the popular three circles diagram appears to have been first presented by Barbier (EnvironConserv 14:101, doi: 10.1017/s0376892900011449, 1987)" ,