Sion, L., Bozzano, A., D’Onghia, G., Capezzuto, F. and Panza, M. 2004. Chondrichthyes species in deep waters of the Mediterranean Sea. Scientia Marina. 68, S3 (Dec. 2004), 153–162. DOI:https://doi.org/10.3989/scimar.2004.68s3153.