1. F.T Addicott . (1982 ) Abscission . PhD thesis, University of California Press, Berkeley, California.
2. E. Blanco, M.A. Casado, M. Costa, R. Escribano, M. Garcia, and M Genova . et al. (1997 ) . Una Interpretacion Geobotanica. Planeta. Madrid, Spain.
3. R Bonal . (2005 )Fitness consequences of the interactions betweenQuercus ilexand its specialist predispersal seed predator, Curculio elephas . PhD thesis, Universidad Autonoma de Madrid, Spain.
4. Multi-trophic effects of ungulate intraguild predation on acorn weevils
5. Satiation of predispersal seed predators: the importance of considering both plant and seed levels