1. Axelrod DI (1989) Age and origin of chaparral. In: Keeley SC (ed) The California chaparral. Para-digms reexamined. Natural History Museum of Los Angeles County, Los Angeles, pp 7–19
2. Aymard M, Fredon JJ (1986) Etude des relations entre une racine et les rejets de la souche chez Castanea sativa Mill. Ann Sci For 43:351–364
3. Canadell J (1995) Vegetative regeneration of Arbutus unedo L. and Erica arborea L. after disturbances: the role of root structures in the acquisition and use of resources. PhD Thesis, Autonomous University of Barcelona, Bellaterra
4. Canadell J, Rodà F (1991) Root biomass of Quercus ilex in a montane Mediterranean forest. Can J For Res 21:1771–1778
5. Castell C (1992) Ecofisiologia d’individus adults i rebrots de dues espècies esclerofil•les mediterrànies: Arbutus unedo i Quercus ilex. PhD Thesis, Autonomous University of Barcelona, Bellaterra