CAPAPÉ, Christian, VERGNE, Yvan in REYNAUD, Christian, 2009, New biological data on thornback ray, Raja clavata (Chondrichthyes: Rajidae), off the Languedocian coast (southern France, northern Mediterranean). [na spletu]. 2009. Vol. 19, no. 2, p. 135–142. [Dostopano 9 april 2025]. Pridobljeno s: http://www.dlib.si/details/URN:NBN:SI:DOC-U5UIOCDW
