1. Why don't we believe the models?;Aber;Bulletin of the Ecological Society of America,,1997
2. Mostly a misunderstanding, I believe;Aber;Bulletin of the Ecological Society of America,,1998
3. South American palaeohydrology: future prospects and global perspective;Baker;Quaternary International,,2000
4. An overview of the present state of standardization of soil sampling in Spain;Barahona;The Science of the Total Environment,,2001