Ungaro, N. & Marano, G. & Ceriola, L. & Martino, M. & Marzano, M.C. & Pasolini, P. (2005)
Prime informazioni sulle taglie maturative di Raja clavata Linnaeus, 1758 e Raja asterias Delaroche, 1809 nel Basso Adriatico. Biologia Marina Mediterranea, 12(1), 598–601

Ungaro, N. & Marano, G. & Marzano, M.C. (2002)
Size at sexual maturity of the smallspotted catshark, Scyliorhinus canicula, in the southern Adriatic Sea (Mediterranean Sea). Proceedings of the 4th European Elasmobranch Association Meeting, Livorno, (Italy) 2000, 171–175

Ungaro, N. & Marano, G. & Marzano, M.C. (2000)
On the length-atmaturity of the smallspotted catshark Scyliorhinus canicula (L.) in the Southern Adriatic Sea (Mediterranean Sea). Abstract, 4th European Elasmobranch Association Meeting, Livorno, 27–30 September 2000: 46

Ungaro, N. & Marano, G. & Rizzi, E. & Marzano, M.C. (1996)
Demersal Squaliformes and Rajiformes in the South-Western Adriatic Sea: Trawl Surveys 1985-94. FAO Fisheries Report, 553(Suppl.): 87–96