1. Study of phytoliths in prehistoric ash layers from Kebara and Tabun caves using a quantitative approach;Albert,2001
2. Taphonomy of phytoliths and macroplants in different soils from Olduvai Gorge (Tanzania) and the application to Plio-Pleistocene palaeoanthropological samples;Albert;Quaternary International,2006
3. Les phytolithes, indicateurs du cycle biogéochimique du silicium eu foret équatoriales;Alexandre;C.R. Acad. Sci. Paris,1997
4. Fitolitos y Zoolitos. Su significado geológico en sedimentos continentales;Bertoldi de Pomar;Boletín de la Asociación Geológica de Córdoba,1970
5. Biologic cycling of silica across a grassland bioclimosequence;Blecker;Global Biogeochemical Cycles,2006