1. Alexandre A. (1996) Phytolithes, interactions sol-plante et paléoenvironnements. Ph.D. dissertation, Univ. d’Aix-Marseille III.
2. Plant impact on the biogeochemical cycle of silicon and related weathering processes;Alexandre;Geochim. Cosmochim. Acta,1997
3. Allison G. B., Barnes C. J., Hughes M. W., and Leaney F. W. J. (1984) Effect of climate and vegetation on oxygen-18 and deuterium profiles in soils. In Isotope Hydrology (IAEA SM-270/20) Vienna, 105–124.
4. Bailey R. G. and Cushwa C. T. (1981) Regional ecosystems; Ecosystems of North America. U.S. Geological Survey National Mapping Division.
5. Fossil opal-phytoliths;Baker;Micropaleon,1960