1. Soil Survey Laboratory Methods;Avery,1974
2. Chemical analysis;Bengtsson,1986
3. Climate variation and the rise and fall of an Andean civilisation;Binford;Quaternary Research,1997
4. Quaternary Palaeoecology;Birks,1980
5. Children and Ancestors: Ritual Practices at the Moche Site of Huaca de la Luna, North Coast of Peru;Bourget,2001