1. Albert, R.M., 2000. Study of ash layers through phytolith analyses from the Middle Palaeolithic levels of Kebara and Tabun caves. Ph.D. Thesis, Universitat de Barcelona, Barcelona.
2. Study of phytoliths in prehistoric ash layers using a quantitative approach;Albert,2001
3. Albert, R.M., Henry, D., 2005. Herding and agricultural activities at the early Neolithic site of Ayn AbŪ Nukhayla (Wadi Rum, Jordan). The results of phytolith and spherulite analyses. Paléorient 30/2, 81–92.
4. Albert, R.M., Mangado, X., Martín, A., 1997. Study about phytolith preservation in calcareous sediments. Analysis of a stratigraphic column from Cova del Frare (Matadepera, Barcelona). Estudio actual de los estudios de fitolitos en suelos y plantas. Monografias 4. Consejo Superior de Investigaciones Científicas, Madrid, Spain, pp. 187–196.
5. Mode of occupation of Tabun cave, Mt Carmel, Israel during the Mousterian period: a study of the sediments and phytoliths;Albert;Journal of Archaeological Science,1999