- Geomorphology of the Amazon source area in the Cordillera Chila2002 | Faculty of Science
- Hydrography of the Amazon Source Area in the Cordillera Chila, Peru2004 | Faculty of Science
- Hydrography of the Amazon Source Area in the Cordillera Chila, Peru2004 | First Faculty of Medicine, Faculty of Mathematics and Physics
- Sources of the Amazon2003 | Faculty of Science
- Glaciation2008 | Faculty of Science
- Geomorphology2008 | Faculty of Science