| 2003 | - | Parallel extinction risk and global distribution of languages and species - Sutherland | :: | 12 |
| 2008 | - | A computer simulation of language families - Murilo Castro de Oliveira,Stauffer,Wichmann,Moss de Oliveira | :: | 2 |
| 2008 | - | Evolution of the linguistic diversity on correlated landscapes - Silva,de Oliveira | :: |