Ribera, C., Juberthie, C. (1998): Araneae. In: Juberthie, C., Decu, V. (eds.): Encyclopaedia Biospeleologica, Tome 1. Sociéte de Biospéologie, Moulis – Bucharest: 197-214.
Ribera, I., Foster, G.N., Downie, I.S., McCracken, D.I., Abernethy, V.J. (1999): A comparative study of the morphology and life traits of Scottish ground beetles (Coleoptera,Carabidae). Ann. Zool. Fennici, 36: 21-37.
Ricci, S., Colombini, I., Fallaci, M., Scoccianti, C., Chelazzi, L. (1998):Arthropods as bioindicators of the red fox foraging activity in a Mediterranean beach-dune system. Journal of Arid Environments, 38: 335–348.
